Firefox user 1384f3

About me

Developer Information
Name Firefox user 1384f3
User since Jan. 8, 2018
Number of add-ons developed 0 add-ons
Average rating of developer's add-ons Not yet rated

My Reviews

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Rated 1 out of 5 stars

I don't know where this add on came from but suddenly my font in my thunderbird email is miniscule?? The program does not work in my updated version of firefox. I can't find how to even remove this add on. Please advise as this is my work computer and I am straining to read my emails. It doesn't see to have affected my web pages?