diff --git a/index.d.ts b/index.d.ts
index 42ef9e59..4aba233b 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -14,30 +14,48 @@ declare module 'react-native-document-picker' {
       allFiles: '*/*';
       audio: 'audio/*';
       csv: 'text/csv';
+      doc: 'application/msword';
+      docx: 'application/vnd.openxmlformats-officedocument.wordprocessingml.document';
       images: 'image/*';
-      plainText: 'text/plain';
       pdf: 'application/pdf';
+      plainText: 'text/plain';
+      ppt: 'application/vnd.ms-powerpoint';
+      pptx: 'application/vnd.openxmlformats-officedocument.presentationml.presentation';
       video: 'video/*';
+      xls: 'application/vnd.ms-excel';
+      xlsx: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet';
       zip: 'application/zip';
     };
     utis: {
       allFiles: 'public.content';
       audio: 'public.audio';
       csv: 'public.comma-separated-values-text';
+      doc: 'com.microsoft.word.doc';
+      docx: 'org.openxmlformats.wordprocessingml.document';
       images: 'public.image';
-      plainText: 'public.plain-text';
       pdf: 'com.adobe.pdf';
+      plainText: 'public.plain-text';
+      ppt: 'com.microsoft.powerpoint.ppt';
+      pptx: 'org.openxmlformats.presentationml.presentation';
       video: 'public.movie';
+      xls: 'com.microsoft.excel.xls';
+      xlsx: 'org.openxmlformats.spreadsheetml.sheet';
       zip: 'public.zip-archive';
     };
     extensions: {
       allFiles: '*';
       audio: '.3g2 .3gp .aac .adt .adts .aif .aifc .aiff .asf .au .m3u .m4a .m4b .mid .midi .mp2 .mp3 .mp4 .rmi .snd .wav .wax .wma';
       csv: '.csv';
+      doc: '.doc';
+      docx: '.docx';
       images: '.jpeg .jpg .png';
-      plainText: '.txt';
       pdf: '.pdf';
+      plainText: '.txt';
+      ppt: '.ppt';
+      pptx: '.pptx';
       video: '.mp4';
+      xls: '.xls';
+      xlsx: '.xlsx';
       zip: '.zip .gz';
     };
   };
diff --git a/index.js b/index.js
index 7e49badc..a1ba2cca 100644
--- a/index.js
+++ b/index.js
@@ -74,20 +74,32 @@ const Types = {
     allFiles: '*/*',
     audio: 'audio/*',
     csv: 'text/csv',
+    doc: 'application/msword',
+    docx: 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
     images: 'image/*',
-    plainText: 'text/plain',
     pdf: 'application/pdf',
+    plainText: 'text/plain',
+    ppt: 'application/vnd.ms-powerpoint',
+    pptx: 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
     video: 'video/*',
+    xls: 'application/vnd.ms-excel',
+    xlsx: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
     zip: 'application/zip',
   },
   utis: {
     allFiles: 'public.content',
     audio: 'public.audio',
     csv: 'public.comma-separated-values-text',
+    doc: 'com.microsoft.word.doc',
+    docx: 'org.openxmlformats.wordprocessingml.document',
     images: 'public.image',
-    plainText: 'public.plain-text',
     pdf: 'com.adobe.pdf',
+    plainText: 'public.plain-text',
+    ppt: 'com.microsoft.powerpoint.ppt',
+    pptx: 'org.openxmlformats.presentationml.presentation',
     video: 'public.movie',
+    xls: 'com.microsoft.excel.xls',
+    xlsx: 'org.openxmlformats.spreadsheetml.sheet',
     zip: 'public.zip-archive',
   },
   extensions: {
@@ -95,10 +107,16 @@ const Types = {
     audio:
       '.3g2 .3gp .aac .adt .adts .aif .aifc .aiff .asf .au .m3u .m4a .m4b .mid .midi .mp2 .mp3 .mp4 .rmi .snd .wav .wax .wma',
     csv: '.csv',
+    doc: '.doc',
+    docx: '.docx',
     images: '.jpeg .jpg .png',
-    plainText: '.txt',
     pdf: '.pdf',
+    plainText: '.txt',
+    ppt: '.ppt',
+    pptx: '.pptx',
     video: '.mp4',
+    xls: '.xls',
+    xlsx: '.xlsx',
     zip: '.zip .gz',
   },
 };