Download Coauthor

Name: Coauthor
Author: Maffie Lab

By: Maffie Lab

Download Coauthor (current and past versions) for Firefox

Latest Version: 2.1.6 Updated: 23 days ago

Ready to install?

Coauthor is available to install from Firefox Add-ons Store and for download from this page.

View source code

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Available versions

You can find the current and older versions of Coauthor here. You can download the archived versions or inspect their source codes.

As a free user, you can download up to 3 latest versions.

Upgrade to download older versions

Version	Download	Size	Timestamp
2.1.6	XPI · ZIP · Source code	1.18MB	2026-05-29
2.1.5	XPI · ZIP · Source code	1.18MB	2026-05-20
2.1.4	XPI · ZIP · Source code	1.21MB	2026-04-13
2.1.3	Paid users only	1.10MB	2026-02-17

2026-05-29 · 0 downloads

XPI ZIP Source code

2026-05-20 · 0 downloads

XPI ZIP Source code

2026-04-13 · 0 downloads

XPI ZIP Source code

2026-02-17 · 0 downloads

Paid users only

Install XPI file

An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.

Simply drag-and-drop the XPI into Firefox to install the add-on.

Install ZIP file

Download the Coauthor ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the Coauthor ZIP file from step 1. Coauthor is now installed on your browser.