← Home

Installing a beta .xpi

Beta builds of File Backups are published on the FileBackups GitHub Repository as signed .xpi files attached to Pre-release entries. Firefox accepts them like any AMO extension — no about:config flags needed.

Steps

1. Open the FileBackups GitHub Repository.
2. Find the latest entry tagged Pre-release.
3. In its Assets list, click the .xpi filename.
4. Firefox shows an install prompt: “Add File Backups?”
5. Click Add.

The toolbar icon (a blue diamond) appears once the install finishes.

If Firefox downloads the file instead of installing it

Some Firefox configurations save .xpi files to disk instead of opening the install prompt. In that case:

• Drag the downloaded .xpi onto any open Firefox window, or
• Open about:addons → click the gear icon → Install Add-on From File… → select the downloaded .xpi.

The install prompt appears either way.

Replacing or going back to the AMO version

Beta and AMO builds share the same extension id, so installing a beta replaces the AMO version in place. Settings, milestone history, and backup state carry over.

To go back, reinstall from the Firefox Add-ons listing — that overwrites the beta with the latest stable build.