Latest Version:
0.2.16.0 Updated:
4 years ago
Ready to install?
Fastmail Plus is available to install from Firefox Add-ons Store and for download from this page.
15
Daily users
1 ratings
0
Total downloads
Available versions
You can find the current and older versions of Fastmail Plus 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 | Download count | Timestamp |
|---|---|---|---|---|
| 0.2.16.0 | XPI · ZIP · Source code | 8.44MB | 0 | 2023-02-07 |
| 0.2.13.1 | XPI · ZIP · Source code | 7.93MB | 0 | 2022-10-09 |
| 0.2.12.2 | XPI · ZIP · Source code | 7.93MB | 0 | 2022-10-01 |
| 0.2.9.0 | Paid users only | 8.00MB | 0 | 2022-09-10 |
| 0.2.8.0 | Paid users only | 8.00MB | 0 | 2022-09-09 |
0.2.16.0 8.44MB
0.2.13.1 7.93MB
0.2.12.2 7.93MB
0.2.9.0 8.00MB
Paid users only
0.2.8.0 8.00MB
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 Fastmail Plus ZIP file.
- In Firefox browser, go to
about:addonsto open Add-ons Manager - Click on ⚙, Install Add-on From File

- Select the Fastmail Plus ZIP file from step 1. Fastmail Plus is now installed on your browser.
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