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Frequently Asked Questions

Frequently Asked Questions

Learn basic tips and guidelines for using Firefox and find answers to some frequently asked questions.

Back up and transfer your Firefox data to a new device

Back up and transfer your Firefox data to a new device

Learn how to transfer your browser data when switching devices using Firefox Sync. Back up your bookmarks, history, passwords, etc. with your Mozilla account.

Take screenshots in Firefox

Take screenshots in Firefox

Screenshots is a tool in Firefox that allows you to save an image of all or parts of a web page.

Captive portal detection

Captive portal detection

Description of how Firefox detects captive portal networks.