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To add the MSWord list to current TB list. Remove everything then right click in area and select Paste (Ctrl+V).open 'persdict.dat' file using Wordpad.
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Right click on highlighted text and select 'Copy' (Ctrl + C).Highlight all the content in the 'CUSTOM.DIC' file (Ctrl + A).To do the following Thunderbird must be closed.How to make Thunderbird personal dictionary identical to MSWord personal dictionary. It's in a file called: persdict.dat which you can open using 'Wordpad'. C:\Users\\AppData\Roaming\Thunderbird\Profiles\.Thunderbird keeps it's 'personal' dictionary here: The list will be written all down the left side, one word per line. It's in a file called CUSTOM.DIC which you can open using 'Wordpad'. C:\Users\\AppData\Roaming\Microsoft\UProof.Microsoft Office stores the 'personal' dictionary here: Microsoft simply do not enable that sort of thing. You cannot add to MSWord personal dictionary and get Thunderbird to use that dictionary.
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