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Adding Dictionaries for Spellcheck

Following these steps you can add additional dictionaries to iA Writer for Windows. The example below details adding a Brazilian Portuguese dictionary.


iA Writer uses hunspell dictionaries which can be found all over the web. A good resource is the OpenOffice website: here

  1. Navigate to the OpenOffice (Portuguese) dictionary website here.
  2. Click on “Download extension“.

    This will download the file vero_pt_br_v208aoc.oxt. Note: some browsers may present a warning when downloading files with .oxt extension. This is ok.

  3. Rename file to

For additional languages – go to Search and type in the language in the Search box. Repeat steps 1 & 2 above.


Once downloaded and unzipped, you’ll want to move your dictionary files into place for use in iA Writer.

  1. Extract the desired language pair(s).
  2. Quit iA Writer and navigate to:
    Admin Install: Program Files → iA Writer → Dictionaries
    Single User: C:\Users\{your user name}\AppData\Local\Programs\iA Writer
  3. Copy the language pair (.aff & .dic) files here.
  4. Relaunch iA Writer and navigate to: File → Preferences → Editor → Spellcheck
  5. Select desired dictionary from drop down list.