Problem: Mozilla Firefox has this awesome account synchronization feature. This feature, called Firefox Sync, syncs your bookmarks, passwords, add-ons, tabs, preferences and history to other devices with a Firefox installed. However, I ran into an issue recently that a computer died and the user was using Firefox. This user hadn’t set up a Firefox Sync account so I couldn’t sign into his account to get all his bookmarks and history, etc. Here is how to move a Firefox profile manually from one computer to another. Please follow the instructions carefully, it can be slightly tedious.
Step One: We first need to grab the Firefox profile off the old computer or hard drive. On the old computer, browse to (Windows XP) C:\Documents and Settings\<username>\Application Data\Mozilla\Firefox\Profiles; (Windows 7,8, 8.1) C:\Users\<username>\AppData\Roaming\Mozilla\Firefox\Profiles. You will find under the Profiles folder a xxxxxx.default profile.
Copy the Firefox profile folder to a flash drive or network location.
Step Two: Go to your new computer. Install Mozilla Firefox. If you are running Windows 7 or 8/8.1 go to C:\Users\<username>\AppData\Roaming\Mozilla\Firefox\Profiles. Under the Profiles folder you will find a profile name (normally a string of numbers and letters with .default at the end). Continue reading