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Add-ons, extensions, and themes

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Add-ons, extensions, and themes

Enhance product functionality with add-ons, extensions, and themes.

Na Bekee

Permission request messages for Thunderbird extensions

Thunderbird add-ons - frequently asked questions

Installing an Add-on in Thunderbird

Install themes to change the look of Thunderbird

Filelink for Large Attachments

How to Customize Toolbars

Certificates

How to Install and Use another Language in the Dictionary on Thunderbird

Add-Ons FAQ

How can I digitally sign and encrypt emails?

Installing and Using another Language in the Dictionary

Unable to install add-ons (extensions or themes) in Thunderbird

Unable to uninstall add-ons (extensions or themes)

Install the Thunderbird Pro Add-on in Thunderbird Desktop

Support for add-ons using Experiment APIs in Thunderbird

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