diff --git a/data/ui/window.blp b/data/ui/window.blp
index fa4443c..2432841 100644
--- a/data/ui/window.blp
+++ b/data/ui/window.blp
@@ -120,6 +120,7 @@ template $LockWindow : Adw.ApplicationWindow {
                                             Gtk.Button file_input_button {
                                                 styles ["flat"]
                                                 icon-name: "document-open-symbolic";
+                                                tooltip-text: _("Select input file");
                                             }
                                         }
                                     }
@@ -135,6 +136,7 @@ template $LockWindow : Adw.ApplicationWindow {
                                             Gtk.Button file_output_button {
                                                 styles ["flat"]
                                                 icon-name: "document-new-symbolic";
+                                                tooltip-text: _("Select output file");
                                             }
                                         }
                                     }
diff --git a/po/bg.po b/po/bg.po
index 1f548e6..ee3d329 100644
--- a/po/bg.po
+++ b/po/bg.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: com.konstantintutsch.Lock\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-11-30 17:19+0100\n"
+"POT-Creation-Date: 2024-11-30 17:22+0100\n"
 "PO-Revision-Date: 2024-11-23 17:35+0000\n"
 "Last-Translator: Anonymous <noreply@weblate.org>\n"
 "Language-Team: Bulgarian <https://hosted.weblate.org/projects/Lock/"
@@ -423,7 +423,7 @@ msgstr "Обикновен текст"
 msgid "Verify text"
 msgstr "Потвърждаване"
 
-#: data/ui/window.blp:9 data/ui/window.blp:192
+#: data/ui/window.blp:9 data/ui/window.blp:194
 #: data/com.konstantintutsch.Lock.desktop.in.in:4
 #: data/com.konstantintutsch.Lock.metainfo.xml.in.in:6
 msgid "Lock"
@@ -466,43 +466,52 @@ msgstr ""
 msgid "Input File"
 msgstr "Входен файл"
 
-#: data/ui/window.blp:129
+#: data/ui/window.blp:123
+msgid "Select input file"
+msgstr ""
+
+#: data/ui/window.blp:130
 msgid "Output File"
 msgstr "Изходен файл"
 
-#: data/ui/window.blp:153 data/ui/window.blp:217
+#: data/ui/window.blp:139
+#, fuzzy
+msgid "Select output file"
+msgstr "Изходният файл не може да бъде отворен: %s"
+
+#: data/ui/window.blp:155 data/ui/window.blp:219
 msgid "Encrypt"
 msgstr "Шифриране"
 
-#: data/ui/window.blp:160 data/ui/window.blp:221
+#: data/ui/window.blp:162 data/ui/window.blp:223
 msgid "Decrypt"
 msgstr "Дешифриране"
 
-#: data/ui/window.blp:167 data/ui/window.blp:227
+#: data/ui/window.blp:169 data/ui/window.blp:229
 msgid "Sign"
 msgstr "Подписване"
 
-#: data/ui/window.blp:174 data/ui/window.blp:239
+#: data/ui/window.blp:176 data/ui/window.blp:241
 msgid "Verify"
 msgstr "Потвърждаване"
 
-#: data/ui/window.blp:198 data/ui/managementdialog.blp:30
+#: data/ui/window.blp:200 data/ui/managementdialog.blp:30
 msgid "Manage keys"
 msgstr "Управление на ключовете"
 
-#: data/ui/window.blp:204
+#: data/ui/window.blp:206
 msgid "Keyboard Shortcuts"
 msgstr ""
 
-#: data/ui/window.blp:208
+#: data/ui/window.blp:210
 msgid "About Lock"
 msgstr "Относно „Ключалка“"
 
-#: data/ui/window.blp:231
+#: data/ui/window.blp:233
 msgid "Sign (Clear Text)"
 msgstr ""
 
-#: data/ui/window.blp:235
+#: data/ui/window.blp:237
 msgid "Sign (Detached)"
 msgstr ""
 
diff --git a/po/com.konstantintutsch.Lock.pot b/po/com.konstantintutsch.Lock.pot
index 103e3da..eddf2a7 100644
--- a/po/com.konstantintutsch.Lock.pot
+++ b/po/com.konstantintutsch.Lock.pot
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: com.konstantintutsch.Lock\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-11-30 17:19+0100\n"
+"POT-Creation-Date: 2024-11-30 17:22+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -370,7 +370,7 @@ msgstr ""
 msgid "Verify text"
 msgstr ""
 
-#: data/ui/window.blp:9 data/ui/window.blp:192
+#: data/ui/window.blp:9 data/ui/window.blp:194
 #: data/com.konstantintutsch.Lock.desktop.in.in:4
 #: data/com.konstantintutsch.Lock.metainfo.xml.in.in:6
 msgid "Lock"
@@ -412,43 +412,51 @@ msgstr ""
 msgid "Input File"
 msgstr ""
 
-#: data/ui/window.blp:129
+#: data/ui/window.blp:123
+msgid "Select input file"
+msgstr ""
+
+#: data/ui/window.blp:130
 msgid "Output File"
 msgstr ""
 
-#: data/ui/window.blp:153 data/ui/window.blp:217
+#: data/ui/window.blp:139
+msgid "Select output file"
+msgstr ""
+
+#: data/ui/window.blp:155 data/ui/window.blp:219
 msgid "Encrypt"
 msgstr ""
 
-#: data/ui/window.blp:160 data/ui/window.blp:221
+#: data/ui/window.blp:162 data/ui/window.blp:223
 msgid "Decrypt"
 msgstr ""
 
-#: data/ui/window.blp:167 data/ui/window.blp:227
+#: data/ui/window.blp:169 data/ui/window.blp:229
 msgid "Sign"
 msgstr ""
 
-#: data/ui/window.blp:174 data/ui/window.blp:239
+#: data/ui/window.blp:176 data/ui/window.blp:241
 msgid "Verify"
 msgstr ""
 
-#: data/ui/window.blp:198 data/ui/managementdialog.blp:30
+#: data/ui/window.blp:200 data/ui/managementdialog.blp:30
 msgid "Manage keys"
 msgstr ""
 
-#: data/ui/window.blp:204
+#: data/ui/window.blp:206
 msgid "Keyboard Shortcuts"
 msgstr ""
 
-#: data/ui/window.blp:208
+#: data/ui/window.blp:210
 msgid "About Lock"
 msgstr ""
 
-#: data/ui/window.blp:231
+#: data/ui/window.blp:233
 msgid "Sign (Clear Text)"
 msgstr ""
 
-#: data/ui/window.blp:235
+#: data/ui/window.blp:237
 msgid "Sign (Detached)"
 msgstr ""
 
diff --git a/po/cs.po b/po/cs.po
index ee14ea1..e734029 100644
--- a/po/cs.po
+++ b/po/cs.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: com.konstantintutsch.Lock\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-11-30 17:19+0100\n"
+"POT-Creation-Date: 2024-11-30 17:22+0100\n"
 "PO-Revision-Date: 2024-11-23 17:35+0000\n"
 "Last-Translator: Anonymous <noreply@weblate.org>\n"
 "Language-Team: Czech <https://hosted.weblate.org/projects/Lock/Application/"
@@ -425,7 +425,7 @@ msgstr "Holý text"
 msgid "Verify text"
 msgstr "Ověřit"
 
-#: data/ui/window.blp:9 data/ui/window.blp:192
+#: data/ui/window.blp:9 data/ui/window.blp:194
 #: data/com.konstantintutsch.Lock.desktop.in.in:4
 #: data/com.konstantintutsch.Lock.metainfo.xml.in.in:6
 msgid "Lock"
@@ -468,43 +468,52 @@ msgstr ""
 msgid "Input File"
 msgstr "Vstupní Soubor"
 
-#: data/ui/window.blp:129
+#: data/ui/window.blp:123
+msgid "Select input file"
+msgstr ""
+
+#: data/ui/window.blp:130
 msgid "Output File"
 msgstr "Výstupní Soubor"
 
-#: data/ui/window.blp:153 data/ui/window.blp:217
+#: data/ui/window.blp:139
+#, fuzzy
+msgid "Select output file"
+msgstr "Selhalo otevření výstupního souboru: %s"
+
+#: data/ui/window.blp:155 data/ui/window.blp:219
 msgid "Encrypt"
 msgstr "Zašifrovat"
 
-#: data/ui/window.blp:160 data/ui/window.blp:221
+#: data/ui/window.blp:162 data/ui/window.blp:223
 msgid "Decrypt"
 msgstr "Rozšifrovat"
 
-#: data/ui/window.blp:167 data/ui/window.blp:227
+#: data/ui/window.blp:169 data/ui/window.blp:229
 msgid "Sign"
 msgstr "Podepsat"
 
-#: data/ui/window.blp:174 data/ui/window.blp:239
+#: data/ui/window.blp:176 data/ui/window.blp:241
 msgid "Verify"
 msgstr "Ověřit"
 
-#: data/ui/window.blp:198 data/ui/managementdialog.blp:30
+#: data/ui/window.blp:200 data/ui/managementdialog.blp:30
 msgid "Manage keys"
 msgstr "Spravovat klíče"
 
-#: data/ui/window.blp:204
+#: data/ui/window.blp:206
 msgid "Keyboard Shortcuts"
 msgstr ""
 
-#: data/ui/window.blp:208
+#: data/ui/window.blp:210
 msgid "About Lock"
 msgstr "O Zámku"
 
-#: data/ui/window.blp:231
+#: data/ui/window.blp:233
 msgid "Sign (Clear Text)"
 msgstr ""
 
-#: data/ui/window.blp:235
+#: data/ui/window.blp:237
 msgid "Sign (Detached)"
 msgstr ""
 
diff --git a/po/de.po b/po/de.po
index 8cec9e3..94f47aa 100644
--- a/po/de.po
+++ b/po/de.po
@@ -8,8 +8,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: com.konstantintutsch.Lock\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-11-30 17:19+0100\n"
-"PO-Revision-Date: 2024-11-30 17:16+0100\n"
+"POT-Creation-Date: 2024-11-30 17:22+0100\n"
+"PO-Revision-Date: 2024-11-30 17:22+0100\n"
 "Last-Translator: Konstantin Tutsch <mail@konstantintutsch.com>\n"
 "Language-Team: German\n"
 "Language: de\n"
@@ -373,7 +373,7 @@ msgstr "Text signieren"
 msgid "Verify text"
 msgstr "Text verifizieren"
 
-#: data/ui/window.blp:9 data/ui/window.blp:192
+#: data/ui/window.blp:9 data/ui/window.blp:194
 #: data/com.konstantintutsch.Lock.desktop.in.in:4
 #: data/com.konstantintutsch.Lock.metainfo.xml.in.in:6
 msgid "Lock"
@@ -415,43 +415,51 @@ msgstr "Keine Dateien für die Verarbeitung ausgewählt"
 msgid "Input File"
 msgstr "Eingabedatei"
 
-#: data/ui/window.blp:129
+#: data/ui/window.blp:123
+msgid "Select input file"
+msgstr "Eingabedatei auswählen"
+
+#: data/ui/window.blp:130
 msgid "Output File"
 msgstr "Ausgabedatei"
 
-#: data/ui/window.blp:153 data/ui/window.blp:217
+#: data/ui/window.blp:139
+msgid "Select output file"
+msgstr "Ausgabedatei auswählen"
+
+#: data/ui/window.blp:155 data/ui/window.blp:219
 msgid "Encrypt"
 msgstr "Verschlüsseln"
 
-#: data/ui/window.blp:160 data/ui/window.blp:221
+#: data/ui/window.blp:162 data/ui/window.blp:223
 msgid "Decrypt"
 msgstr "Entschlüsseln"
 
-#: data/ui/window.blp:167 data/ui/window.blp:227
+#: data/ui/window.blp:169 data/ui/window.blp:229
 msgid "Sign"
 msgstr "Signieren"
 
-#: data/ui/window.blp:174 data/ui/window.blp:239
+#: data/ui/window.blp:176 data/ui/window.blp:241
 msgid "Verify"
 msgstr "Verifizieren"
 
-#: data/ui/window.blp:198 data/ui/managementdialog.blp:30
+#: data/ui/window.blp:200 data/ui/managementdialog.blp:30
 msgid "Manage keys"
 msgstr "Schlüssel verwalten"
 
-#: data/ui/window.blp:204
+#: data/ui/window.blp:206
 msgid "Keyboard Shortcuts"
 msgstr "Tastenkürzel"
 
-#: data/ui/window.blp:208
+#: data/ui/window.blp:210
 msgid "About Lock"
 msgstr "Über Schloss"
 
-#: data/ui/window.blp:231
+#: data/ui/window.blp:233
 msgid "Sign (Clear Text)"
 msgstr "Signieren (Klartext)"
 
-#: data/ui/window.blp:235
+#: data/ui/window.blp:237
 msgid "Sign (Detached)"
 msgstr "Signieren (Getrennt)"
 
diff --git a/po/et.po b/po/et.po
index a916df6..0558cf4 100644
--- a/po/et.po
+++ b/po/et.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: com.konstantintutsch.Lock\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-11-30 17:19+0100\n"
+"POT-Creation-Date: 2024-11-30 17:22+0100\n"
 "PO-Revision-Date: 2024-11-23 17:35+0000\n"
 "Last-Translator: Priit Jõerüüt <hwlate@joeruut.com>\n"
 "Language-Team: Estonian <https://hosted.weblate.org/projects/Lock/"
@@ -375,7 +375,7 @@ msgstr ""
 msgid "Verify text"
 msgstr ""
 
-#: data/ui/window.blp:9 data/ui/window.blp:192
+#: data/ui/window.blp:9 data/ui/window.blp:194
 #: data/com.konstantintutsch.Lock.desktop.in.in:4
 #: data/com.konstantintutsch.Lock.metainfo.xml.in.in:6
 msgid "Lock"
@@ -417,43 +417,51 @@ msgstr ""
 msgid "Input File"
 msgstr ""
 
-#: data/ui/window.blp:129
+#: data/ui/window.blp:123
+msgid "Select input file"
+msgstr ""
+
+#: data/ui/window.blp:130
 msgid "Output File"
 msgstr ""
 
-#: data/ui/window.blp:153 data/ui/window.blp:217
+#: data/ui/window.blp:139
+msgid "Select output file"
+msgstr ""
+
+#: data/ui/window.blp:155 data/ui/window.blp:219
 msgid "Encrypt"
 msgstr ""
 
-#: data/ui/window.blp:160 data/ui/window.blp:221
+#: data/ui/window.blp:162 data/ui/window.blp:223
 msgid "Decrypt"
 msgstr ""
 
-#: data/ui/window.blp:167 data/ui/window.blp:227
+#: data/ui/window.blp:169 data/ui/window.blp:229
 msgid "Sign"
 msgstr ""
 
-#: data/ui/window.blp:174 data/ui/window.blp:239
+#: data/ui/window.blp:176 data/ui/window.blp:241
 msgid "Verify"
 msgstr ""
 
-#: data/ui/window.blp:198 data/ui/managementdialog.blp:30
+#: data/ui/window.blp:200 data/ui/managementdialog.blp:30
 msgid "Manage keys"
 msgstr ""
 
-#: data/ui/window.blp:204
+#: data/ui/window.blp:206
 msgid "Keyboard Shortcuts"
 msgstr ""
 
-#: data/ui/window.blp:208
+#: data/ui/window.blp:210
 msgid "About Lock"
 msgstr ""
 
-#: data/ui/window.blp:231
+#: data/ui/window.blp:233
 msgid "Sign (Clear Text)"
 msgstr ""
 
-#: data/ui/window.blp:235
+#: data/ui/window.blp:237
 msgid "Sign (Detached)"
 msgstr ""
 
diff --git a/po/fi.po b/po/fi.po
index 705d01d..54600da 100644
--- a/po/fi.po
+++ b/po/fi.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: com.konstantintutsch.Lock\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-11-30 17:19+0100\n"
+"POT-Creation-Date: 2024-11-30 17:22+0100\n"
 "PO-Revision-Date: 2024-11-23 17:35+0000\n"
 "Last-Translator: Anonymous <noreply@weblate.org>\n"
 "Language-Team: Finnish <https://hosted.weblate.org/projects/Lock/Application/"
@@ -417,7 +417,7 @@ msgstr "Raakateksti"
 msgid "Verify text"
 msgstr "Vahvista"
 
-#: data/ui/window.blp:9 data/ui/window.blp:192
+#: data/ui/window.blp:9 data/ui/window.blp:194
 #: data/com.konstantintutsch.Lock.desktop.in.in:4
 #: data/com.konstantintutsch.Lock.metainfo.xml.in.in:6
 msgid "Lock"
@@ -459,43 +459,52 @@ msgstr "Tiedostoja ei ole valittu käsiteltäväksi"
 msgid "Input File"
 msgstr "Käsiteltävä tiedosto"
 
-#: data/ui/window.blp:129
+#: data/ui/window.blp:123
+msgid "Select input file"
+msgstr ""
+
+#: data/ui/window.blp:130
 msgid "Output File"
 msgstr "Käsitelty tiedosto"
 
-#: data/ui/window.blp:153 data/ui/window.blp:217
+#: data/ui/window.blp:139
+#, fuzzy
+msgid "Select output file"
+msgstr "Käsitelty tiedosto"
+
+#: data/ui/window.blp:155 data/ui/window.blp:219
 msgid "Encrypt"
 msgstr "Salaa"
 
-#: data/ui/window.blp:160 data/ui/window.blp:221
+#: data/ui/window.blp:162 data/ui/window.blp:223
 msgid "Decrypt"
 msgstr "Pura salaus"
 
-#: data/ui/window.blp:167 data/ui/window.blp:227
+#: data/ui/window.blp:169 data/ui/window.blp:229
 msgid "Sign"
 msgstr "Allekirjoita"
 
-#: data/ui/window.blp:174 data/ui/window.blp:239
+#: data/ui/window.blp:176 data/ui/window.blp:241
 msgid "Verify"
 msgstr "Vahvista"
 
-#: data/ui/window.blp:198 data/ui/managementdialog.blp:30
+#: data/ui/window.blp:200 data/ui/managementdialog.blp:30
 msgid "Manage keys"
 msgstr "Hallitse avaimia"
 
-#: data/ui/window.blp:204
+#: data/ui/window.blp:206
 msgid "Keyboard Shortcuts"
 msgstr ""
 
-#: data/ui/window.blp:208
+#: data/ui/window.blp:210
 msgid "About Lock"
 msgstr "Tietoja - Lock"
 
-#: data/ui/window.blp:231
+#: data/ui/window.blp:233
 msgid "Sign (Clear Text)"
 msgstr ""
 
-#: data/ui/window.blp:235
+#: data/ui/window.blp:237
 msgid "Sign (Detached)"
 msgstr ""
 
diff --git a/po/he.po b/po/he.po
index d68bf18..fa8eb81 100644
--- a/po/he.po
+++ b/po/he.po
@@ -6,7 +6,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: com.konstantintutsch.Lock\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-11-30 17:19+0100\n"
+"POT-Creation-Date: 2024-11-30 17:22+0100\n"
 "PO-Revision-Date: 2024-11-24 19:01+0000\n"
 "Last-Translator: Yaron Shahrabani <sh.yaron@gmail.com>\n"
 "Language-Team: Hebrew <https://hosted.weblate.org/projects/Lock/Application/"
@@ -407,7 +407,7 @@ msgstr "טקסט פשוט"
 msgid "Verify text"
 msgstr "אימות"
 
-#: data/ui/window.blp:9 data/ui/window.blp:192
+#: data/ui/window.blp:9 data/ui/window.blp:194
 #: data/com.konstantintutsch.Lock.desktop.in.in:4
 #: data/com.konstantintutsch.Lock.metainfo.xml.in.in:6
 msgid "Lock"
@@ -449,43 +449,52 @@ msgstr "לא נבחרו קבצים לעיבוד"
 msgid "Input File"
 msgstr "קובץ קלט"
 
-#: data/ui/window.blp:129
+#: data/ui/window.blp:123
+msgid "Select input file"
+msgstr ""
+
+#: data/ui/window.blp:130
 msgid "Output File"
 msgstr "קובץ פלט"
 
-#: data/ui/window.blp:153 data/ui/window.blp:217
+#: data/ui/window.blp:139
+#, fuzzy
+msgid "Select output file"
+msgstr "פתיחת קובץ הפלט נכשלה: %s"
+
+#: data/ui/window.blp:155 data/ui/window.blp:219
 msgid "Encrypt"
 msgstr "הצפנה"
 
-#: data/ui/window.blp:160 data/ui/window.blp:221
+#: data/ui/window.blp:162 data/ui/window.blp:223
 msgid "Decrypt"
 msgstr "פענוח"
 
-#: data/ui/window.blp:167 data/ui/window.blp:227
+#: data/ui/window.blp:169 data/ui/window.blp:229
 msgid "Sign"
 msgstr "חתימה"
 
-#: data/ui/window.blp:174 data/ui/window.blp:239
+#: data/ui/window.blp:176 data/ui/window.blp:241
 msgid "Verify"
 msgstr "אימות"
 
-#: data/ui/window.blp:198 data/ui/managementdialog.blp:30
+#: data/ui/window.blp:200 data/ui/managementdialog.blp:30
 msgid "Manage keys"
 msgstr "ניהול מפתחות"
 
-#: data/ui/window.blp:204
+#: data/ui/window.blp:206
 msgid "Keyboard Shortcuts"
 msgstr ""
 
-#: data/ui/window.blp:208
+#: data/ui/window.blp:210
 msgid "About Lock"
 msgstr "על מנעול"
 
-#: data/ui/window.blp:231
+#: data/ui/window.blp:233
 msgid "Sign (Clear Text)"
 msgstr ""
 
-#: data/ui/window.blp:235
+#: data/ui/window.blp:237
 msgid "Sign (Detached)"
 msgstr ""
 
diff --git a/po/oc.po b/po/oc.po
index 1b274fc..e44e928 100644
--- a/po/oc.po
+++ b/po/oc.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: com.konstantintutsch.Lock\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-11-30 17:19+0100\n"
+"POT-Creation-Date: 2024-11-30 17:22+0100\n"
 "PO-Revision-Date: 2024-11-23 17:35+0000\n"
 "Last-Translator: Quentin PAGÈS <quentinantonin@free.fr>\n"
 "Language-Team: Occitan <https://hosted.weblate.org/projects/Lock/Application/"
@@ -425,7 +425,7 @@ msgstr "Tèxte brut"
 msgid "Verify text"
 msgstr "Verificar"
 
-#: data/ui/window.blp:9 data/ui/window.blp:192
+#: data/ui/window.blp:9 data/ui/window.blp:194
 #: data/com.konstantintutsch.Lock.desktop.in.in:4
 #: data/com.konstantintutsch.Lock.metainfo.xml.in.in:6
 msgid "Lock"
@@ -467,43 +467,52 @@ msgstr "Cap de fichièr pas seleccionat pel tractament"
 msgid "Input File"
 msgstr "Fichièr en entrada"
 
-#: data/ui/window.blp:129
+#: data/ui/window.blp:123
+msgid "Select input file"
+msgstr ""
+
+#: data/ui/window.blp:130
 msgid "Output File"
 msgstr "Fichièr en sortida"
 
-#: data/ui/window.blp:153 data/ui/window.blp:217
+#: data/ui/window.blp:139
+#, fuzzy
+msgid "Select output file"
+msgstr "Fracàs de la dobertura del fichièr en sortida : %s"
+
+#: data/ui/window.blp:155 data/ui/window.blp:219
 msgid "Encrypt"
 msgstr "Chifrar"
 
-#: data/ui/window.blp:160 data/ui/window.blp:221
+#: data/ui/window.blp:162 data/ui/window.blp:223
 msgid "Decrypt"
 msgstr "Deschifrar"
 
-#: data/ui/window.blp:167 data/ui/window.blp:227
+#: data/ui/window.blp:169 data/ui/window.blp:229
 msgid "Sign"
 msgstr "Signar"
 
-#: data/ui/window.blp:174 data/ui/window.blp:239
+#: data/ui/window.blp:176 data/ui/window.blp:241
 msgid "Verify"
 msgstr "Verificar"
 
-#: data/ui/window.blp:198 data/ui/managementdialog.blp:30
+#: data/ui/window.blp:200 data/ui/managementdialog.blp:30
 msgid "Manage keys"
 msgstr "Gerir las claus"
 
-#: data/ui/window.blp:204
+#: data/ui/window.blp:206
 msgid "Keyboard Shortcuts"
 msgstr ""
 
-#: data/ui/window.blp:208
+#: data/ui/window.blp:210
 msgid "About Lock"
 msgstr "A prepaus de Lock"
 
-#: data/ui/window.blp:231
+#: data/ui/window.blp:233
 msgid "Sign (Clear Text)"
 msgstr ""
 
-#: data/ui/window.blp:235
+#: data/ui/window.blp:237
 msgid "Sign (Detached)"
 msgstr ""
 
diff --git a/po/ru.po b/po/ru.po
index 9d03acc..ed0b5e4 100644
--- a/po/ru.po
+++ b/po/ru.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: com.konstantintutsch.Lock\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-11-30 17:19+0100\n"
+"POT-Creation-Date: 2024-11-30 17:22+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: Automatically generated\n"
 "Language-Team: none\n"
@@ -376,7 +376,7 @@ msgstr "Обычный текст"
 msgid "Verify text"
 msgstr "Проверить"
 
-#: data/ui/window.blp:9 data/ui/window.blp:192
+#: data/ui/window.blp:9 data/ui/window.blp:194
 #: data/com.konstantintutsch.Lock.desktop.in.in:4
 #: data/com.konstantintutsch.Lock.metainfo.xml.in.in:6
 msgid "Lock"
@@ -418,43 +418,52 @@ msgstr "Файлы для обработки не выбраны"
 msgid "Input File"
 msgstr "Входной файл"
 
-#: data/ui/window.blp:129
+#: data/ui/window.blp:123
+msgid "Select input file"
+msgstr ""
+
+#: data/ui/window.blp:130
 msgid "Output File"
 msgstr "Выходной файл"
 
-#: data/ui/window.blp:153 data/ui/window.blp:217
+#: data/ui/window.blp:139
+#, fuzzy
+msgid "Select output file"
+msgstr "Не удалось открыть выходной файл: %s"
+
+#: data/ui/window.blp:155 data/ui/window.blp:219
 msgid "Encrypt"
 msgstr "Зашифровать"
 
-#: data/ui/window.blp:160 data/ui/window.blp:221
+#: data/ui/window.blp:162 data/ui/window.blp:223
 msgid "Decrypt"
 msgstr "Расшифровать"
 
-#: data/ui/window.blp:167 data/ui/window.blp:227
+#: data/ui/window.blp:169 data/ui/window.blp:229
 msgid "Sign"
 msgstr "Подписать"
 
-#: data/ui/window.blp:174 data/ui/window.blp:239
+#: data/ui/window.blp:176 data/ui/window.blp:241
 msgid "Verify"
 msgstr "Проверить"
 
-#: data/ui/window.blp:198 data/ui/managementdialog.blp:30
+#: data/ui/window.blp:200 data/ui/managementdialog.blp:30
 msgid "Manage keys"
 msgstr "Управление ключами"
 
-#: data/ui/window.blp:204
+#: data/ui/window.blp:206
 msgid "Keyboard Shortcuts"
 msgstr ""
 
-#: data/ui/window.blp:208
+#: data/ui/window.blp:210
 msgid "About Lock"
 msgstr "О Замке"
 
-#: data/ui/window.blp:231
+#: data/ui/window.blp:233
 msgid "Sign (Clear Text)"
 msgstr ""
 
-#: data/ui/window.blp:235
+#: data/ui/window.blp:237
 msgid "Sign (Detached)"
 msgstr ""
 
diff --git a/po/tr.po b/po/tr.po
index cfe83ef..38852da 100644
--- a/po/tr.po
+++ b/po/tr.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: com.konstantintutsch.Lock\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-11-30 17:19+0100\n"
+"POT-Creation-Date: 2024-11-30 17:22+0100\n"
 "PO-Revision-Date: 2024-11-23 17:35+0000\n"
 "Last-Translator: Sabri Ünal <yakushabb@gmail.com>\n"
 "Language-Team: Turkish <https://hosted.weblate.org/projects/Lock/Application/"
@@ -418,7 +418,7 @@ msgstr "Düz metin"
 msgid "Verify text"
 msgstr "Doğrula"
 
-#: data/ui/window.blp:9 data/ui/window.blp:192
+#: data/ui/window.blp:9 data/ui/window.blp:194
 #: data/com.konstantintutsch.Lock.desktop.in.in:4
 #: data/com.konstantintutsch.Lock.metainfo.xml.in.in:6
 msgid "Lock"
@@ -460,43 +460,52 @@ msgstr "İşlenmek için dosya seçilmedi"
 msgid "Input File"
 msgstr "Girdi Dosyası"
 
-#: data/ui/window.blp:129
+#: data/ui/window.blp:123
+msgid "Select input file"
+msgstr ""
+
+#: data/ui/window.blp:130
 msgid "Output File"
 msgstr "Çıktı Dosyası"
 
-#: data/ui/window.blp:153 data/ui/window.blp:217
+#: data/ui/window.blp:139
+#, fuzzy
+msgid "Select output file"
+msgstr "Çıktı dosyası açılamadı: %s"
+
+#: data/ui/window.blp:155 data/ui/window.blp:219
 msgid "Encrypt"
 msgstr "Şifrele"
 
-#: data/ui/window.blp:160 data/ui/window.blp:221
+#: data/ui/window.blp:162 data/ui/window.blp:223
 msgid "Decrypt"
 msgstr "Şifre çöz"
 
-#: data/ui/window.blp:167 data/ui/window.blp:227
+#: data/ui/window.blp:169 data/ui/window.blp:229
 msgid "Sign"
 msgstr "İmzala"
 
-#: data/ui/window.blp:174 data/ui/window.blp:239
+#: data/ui/window.blp:176 data/ui/window.blp:241
 msgid "Verify"
 msgstr "Doğrula"
 
-#: data/ui/window.blp:198 data/ui/managementdialog.blp:30
+#: data/ui/window.blp:200 data/ui/managementdialog.blp:30
 msgid "Manage keys"
 msgstr "Anahtarları yönet"
 
-#: data/ui/window.blp:204
+#: data/ui/window.blp:206
 msgid "Keyboard Shortcuts"
 msgstr ""
 
-#: data/ui/window.blp:208
+#: data/ui/window.blp:210
 msgid "About Lock"
 msgstr "Kilitle Hakkında"
 
-#: data/ui/window.blp:231
+#: data/ui/window.blp:233
 msgid "Sign (Clear Text)"
 msgstr ""
 
-#: data/ui/window.blp:235
+#: data/ui/window.blp:237
 msgid "Sign (Detached)"
 msgstr ""
 
diff --git a/po/zh_CN.po b/po/zh_CN.po
index b1110f0..797c582 100644
--- a/po/zh_CN.po
+++ b/po/zh_CN.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: com.konstantintutsch.Lock\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-11-30 17:19+0100\n"
+"POT-Creation-Date: 2024-11-30 17:22+0100\n"
 "PO-Revision-Date: 2024-11-23 17:35+0000\n"
 "Last-Translator: Anonymous <noreply@weblate.org>\n"
 "Language-Team: Chinese (Simplified Han script) <https://hosted.weblate.org/"
@@ -421,7 +421,7 @@ msgstr "纯文本"
 msgid "Verify text"
 msgstr "校验"
 
-#: data/ui/window.blp:9 data/ui/window.blp:192
+#: data/ui/window.blp:9 data/ui/window.blp:194
 #: data/com.konstantintutsch.Lock.desktop.in.in:4
 #: data/com.konstantintutsch.Lock.metainfo.xml.in.in:6
 msgid "Lock"
@@ -464,43 +464,52 @@ msgstr "未选择要处理的文件"
 msgid "Input File"
 msgstr "输入文件"
 
-#: data/ui/window.blp:129
+#: data/ui/window.blp:123
+msgid "Select input file"
+msgstr ""
+
+#: data/ui/window.blp:130
 msgid "Output File"
 msgstr "输出文件"
 
-#: data/ui/window.blp:153 data/ui/window.blp:217
+#: data/ui/window.blp:139
+#, fuzzy
+msgid "Select output file"
+msgstr "打开输出文件失败：%s"
+
+#: data/ui/window.blp:155 data/ui/window.blp:219
 msgid "Encrypt"
 msgstr "加密"
 
-#: data/ui/window.blp:160 data/ui/window.blp:221
+#: data/ui/window.blp:162 data/ui/window.blp:223
 msgid "Decrypt"
 msgstr "解密"
 
-#: data/ui/window.blp:167 data/ui/window.blp:227
+#: data/ui/window.blp:169 data/ui/window.blp:229
 msgid "Sign"
 msgstr "签署"
 
-#: data/ui/window.blp:174 data/ui/window.blp:239
+#: data/ui/window.blp:176 data/ui/window.blp:241
 msgid "Verify"
 msgstr "校验"
 
-#: data/ui/window.blp:198 data/ui/managementdialog.blp:30
+#: data/ui/window.blp:200 data/ui/managementdialog.blp:30
 msgid "Manage keys"
 msgstr "管理密钥"
 
-#: data/ui/window.blp:204
+#: data/ui/window.blp:206
 msgid "Keyboard Shortcuts"
 msgstr ""
 
-#: data/ui/window.blp:208
+#: data/ui/window.blp:210
 msgid "About Lock"
 msgstr "关于 Lock"
 
-#: data/ui/window.blp:231
+#: data/ui/window.blp:233
 msgid "Sign (Clear Text)"
 msgstr ""
 
-#: data/ui/window.blp:235
+#: data/ui/window.blp:237
 msgid "Sign (Detached)"
 msgstr ""