Instructions cover the Firefox web net surf tool on Windows and macOS computers.

In the upper-right corner of web app, selectmenu(three lines).

you’re free to also enterabout:preferencesin the Firefox address bar instead of clicking this menu item.

Firefox with the More menu highlighted

In theApplicationssection, select theMailtodrop-down menu, and chooseUse Gmail.

Close thePreferencestab to return to your browsing session.

Gmail is now your default email client in Firefox.

Firefox with the Preferences option highlighted

Select themenu(three lines).

opt for drop-down menu in theActioncolumn.

ChooseUse Gmailfrom the list of options.

The Firefox settings with the General heading highlighted

The Firefox Applications settings with Use Gmail highlighted

Options in Firefox for Windows

The mailto item in Firefox settings

The Use Gmail option