Welcome to Firefox for Android Add-ons.
Add extra features and styles to make Firefox for Android your own.
CloseDeveloper reply by Josh Geenen
Rated 1 out of 5 stars
Dear Sir,
In Thunderbird 68.1.0 Error Coming As Mozilla Change the Policy for Addon from install.rdf to manifest.json
Your Addon is incompatible with Thunderbird 68.1.0
Requesting you Please Update your Valuable Addon.
gContactSync has supported TB 68 for some time now. Please make sure you are using version 3.1.7 or later.
To create your own collections, you must have a Mozilla Add-ons account.