diff --git a/README.md b/README.md
index d287dbb..6300b29 100644
--- a/README.md
+++ b/README.md
@@ -180,8 +180,10 @@ Minimal setup:
 
 ```lua
 require("papis").setup({
-  -- Enable the default keymaps
+  -- Enable the default keymaps (defaults to `false`)
   enable_keymaps = true,
+  -- You might want to change the filetypes activating papis.nvim
+  -- init_filetypes = { "markdown", "norg", "yaml" },
 })
 ```
 
@@ -261,7 +263,7 @@ db_path = vim.fn.stdpath("data") .. "/papis_db/papis-nvim.sqlite3",
 yq_bin = "yq",
 
 -- Function to execute when adding a new note. `ref` is the citation key of the
--- relevant entry and `notes_name` is defined in `papis_python` above.
+-- relevant entry and `notes_name` is the name of the notes file.
 create_new_note_fn = function(papis_id, notes_name)
   local testing_session = require("papis.config")["enable_modules"]["testing"]
   local testing_conf_path = ""
@@ -280,6 +282,9 @@ end,
 -- Filetypes that start papis.nvim.
 init_filetypes = { "markdown", "norg", "yaml" },
 
+-- Papis options to import into papis.nvim.
+papis_conf_keys = { "info-name", "notes-name", "dir", "opentool" },
+
 -- Configuration of the search module.
 ["search"] = {
 
diff --git a/doc/papis.txt b/doc/papis.txt
index 3f64e37..aaf0da5 100644
--- a/doc/papis.txt
+++ b/doc/papis.txt
@@ -1,4 +1,4 @@
-*papis.txt*              For NVIM v0.8.0             Last change: 2024 June 14
+*papis.txt*              For NVIM v0.8.0             Last change: 2024 June 15
 
 ==============================================================================
 Table of Contents                                    *papis-table-of-contents*
@@ -238,8 +238,10 @@ Minimal setup:
 
 >lua
     require("papis").setup({
-      -- Enable the default keymaps
+      -- Enable the default keymaps (defaults to `false`)
       enable_keymaps = true,
+      -- You might want to change the filetypes activating papis.nvim
+      -- init_filetypes = { "markdown", "norg", "yaml" },
     })
 <
 
@@ -318,7 +320,7 @@ All configuration options (with defaults) ~
     yq_bin = "yq",
     
     -- Function to execute when adding a new note. `ref` is the citation key of the
-    -- relevant entry and `notes_name` is defined in `papis_python` above.
+    -- relevant entry and `notes_name` is the name of the notes file.
     create_new_note_fn = function(papis_id, notes_name)
       local testing_session = require("papis.config")["enable_modules"]["testing"]
       local testing_conf_path = ""
@@ -337,6 +339,9 @@ All configuration options (with defaults) ~
     -- Filetypes that start papis.nvim.
     init_filetypes = { "markdown", "norg", "yaml" },
     
+    -- Papis options to import into papis.nvim.
+    papis_conf_keys = { "info-name", "notes-name", "dir", "opentool" },
+    
     -- Configuration of the search module.
     ["search"] = {
     
diff --git a/lua/papis/config.lua b/lua/papis/config.lua
index 553f8d2..26c432d 100644
--- a/lua/papis/config.lua
+++ b/lua/papis/config.lua
@@ -66,6 +66,7 @@ local default_config = {
     )
   end,
   init_filetypes = { "markdown", "norg", "yaml" },
+  papis_conf_keys = { "info-name", "notes-name", "dir", "opentool" },
   ["formatter"] = {
     format_notes_fn = function(entry)
       local title_format = {
@@ -145,13 +146,13 @@ local default_config = {
 }
 
 ---Queries Papis to get various options.
----@param testing_session boolean #If true, will use testing papis conf
+---@param papis_conf_keys table #A table with keys to query from Papis
+---@param is_testing_session boolean #If true, will use testing papis conf
 ---@return table #A table { info_name = val, dir = val }
-local function get_papis_py_conf(testing_session)
-  local papis_conf_keys = { "info-name", "notes-name", "dir" }
+local function get_papis_py_conf(papis_conf_keys, is_testing_session)
   local papis_py_conf_new = {}
   local testing_conf_path = ""
-  if testing_session then
+  if is_testing_session then
     testing_conf_path = "-c ./tests/papis_config "
   end
   for _, key in ipairs(papis_conf_keys) do
@@ -182,7 +183,8 @@ function M:update_papis_py_conf()
   end
 
   local is_testing_session = self["enable_modules"]["testing"]
-  local papis_py_conf_new = get_papis_py_conf(is_testing_session)
+  local papis_conf_keys = self["papis_conf_keys"]
+  local papis_py_conf_new = get_papis_py_conf(papis_conf_keys, is_testing_session)
   local papis_py_conf_old = db.config:get()[1]
   papis_py_conf_old["id"] = nil
 
@@ -207,8 +209,9 @@ function M:setup_papis_py_conf()
   -- get config from Papis if not already in db
   if not db.config:is_setup() then
     log.info("Papis.nvim configuration not setup, importing values from Papis now")
-    local testing_session = self["enable_modules"]["testing"]
-    local papis_py_conf_new = get_papis_py_conf(testing_session)
+    local is_testing_session = self["enable_modules"]["testing"]
+    local papis_conf_keys = self["papis_conf_keys"]
+    local papis_py_conf_new = get_papis_py_conf(papis_conf_keys, is_testing_session)
     db.config:drop()
     db.config:update({ id = 1 }, papis_py_conf_new)
   end
diff --git a/lua/papis/sqlite-wrapper.lua b/lua/papis/sqlite-wrapper.lua
index 65eb524..94682b9 100644
--- a/lua/papis/sqlite-wrapper.lua
+++ b/lua/papis/sqlite-wrapper.lua
@@ -97,12 +97,19 @@ M.state = M:tbl("state", {
   tag_format = { "text", default = nil },
 })
 
-M.config = M:tbl("config", {
-  id = true,
-  info_name = { "text", default = nil },
-  notes_name = { "text", default = nil },
-  dir = { "text", default = nil },
-})
+
+---Creates the schema of the config table
+---@return table #The config table schema
+local function get_config_tbl_schema()
+  local tbl_schema = { id = true, }
+  for _, key in ipairs(config["papis_conf_keys"]) do
+    local sanitized_key = string.gsub(key, "-", "_")
+    tbl_schema[sanitized_key] = { "text", default = nil }
+  end
+  return tbl_schema
+end
+
+M.config = M:tbl("config", get_config_tbl_schema())
 
 ---Adds common methods to tbls
 ---@param tbls table #Set of tables that should have methods added
diff --git a/lua/papis/utils.lua b/lua/papis/utils.lua
index c636f0b..fa851e2 100644
--- a/lua/papis/utils.lua
+++ b/lua/papis/utils.lua
@@ -47,7 +47,7 @@ end
 
 ---Splits string by `inputstr` and trims whitespace
 ---@param inputstr string #String to be split
----@param sep? string #String giving each character by witch to split
+---@param sep? string #String giving each character by which to split
 ---@return table #List of split elements
 function M.do_split_str(inputstr, sep)
   if sep == nil then
@@ -63,20 +63,15 @@ end
 
 -- Open file outside neovim
 ---@param path string #Path to the file
-function M.do_open_file_external(path)
-  local command
-  local args
-  if is_windows then
-    command = "rundll32.exe"
-    args = { "url.dll,FileProtocolHandler", path }
-  else
-    if is_linux then
-      command = "xdg-open"
-    elseif is_macos then
-      command = "open"
-    end
-    args = { path }
+function M:do_open_file_external(path)
+  local opentool = require("papis.sqlite-wrapper").config:get_value({ id = 1 }, "opentool")
+  local opentool_table = self.do_split_str(opentool, " ")
+  local command = opentool_table[1]
+  local args = {}
+  for i = 2, #opentool_table do
+    table.insert(args, opentool_table[i])
   end
+  table.insert(args, path)
 
   local handle
   handle = vim.loop.spawn(command, {
@@ -119,7 +114,7 @@ function M:do_open_attached_files(papis_id)
   elseif #filenames == 1 then
     log.info("Opening file '" .. filenames[1] .. "' ")
     local path = lookup_tbl[filenames[1]]
-    self.do_open_file_external(path)
+    self:do_open_file_external(path)
   else
     vim.ui.select(filenames, {
       prompt = "Select attachment to open:",
@@ -127,7 +122,7 @@ function M:do_open_attached_files(papis_id)
       if choice then
         log.info("Opening file '" .. choice .. "' ")
         local path = lookup_tbl[choice]
-        self.do_open_file_external(path)
+        self:do_open_file_external(path)
       end
     end)
   end