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How to add/remove words in the firefox custom spell check dictionary

Posted on March 1, 2007 by admin

I added a word to my Mozilla Firefox spell check personal dictionary by mistake the other day, and could not figure out how to remove it. Firefox seriously lacks custom dictionary management.

To open your profile directory do the following or use the “Open Profile Folder Firefox Add-on“…

Simply go to Start -> Run, enter:

%APPDATA%\Mozilla\Firefox\Profiles\

Locate the profile you’re using (usually default.something).

Then, inside the folder you will find a file named “persdict.dat”.

Open that, and there you have it, your custom list of words.

Edit it how you like save, and restart Firefox.

All done!

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About admin

The author formerly known as HM2K is now the Phurix Labs administrator.

3 Responses to How to add/remove words in the firefox custom spell check dictionary

1. ab0z says:

   October 19, 2007 at 12:09 am

   What about mac users? how then?
2. Rayvin says:

   December 13, 2007 at 6:07 am

   THANK YOU!!!
   I added a word by mistake and you saved me!
   Very helpful!
3. Robert says:

   August 24, 2008 at 1:06 am

   I am having the same problem with
   microsoft Works; It’s like you make a mistake, and you are stuck with it for life.

   Just give me the name of the file.

   Thanks.