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Thunderbird stores your profile folder in this location on your computer, by default: C:UsersAppDataRoamingThunderbirdProfiles Windows hides the AppData folder by default, but you can find your profile folder as follows.
Thunderbird stores your data in a separate location, away from the program filesapplication, called your profile folder. To move your data, copy your profile folder to the equivalent location on your destination computer.
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- Click on the menu button , then go to Help and select Troubleshooting Information.Go to the Help menu and select Troubleshooting Information.
- Click on . Your Thunderbird profile folder will open in Windows ExplorerFile BrowserFinder.
- CloseQuit Thunderbird.
- From your Thunderbird profile folder, go up three levelsgo up two levelsopen the Go menu and select Enclosing Folder two times.
- Right-clickHold down the control key while you click on the Thunderbird.thunderbird folder, and select CopyCopy 'Thunderbird'.NOTE: .thunderbird is a hidden folder. Make sure you have Linux set to show hidden files.
- Go to the drive you are using to transfer your data, then right-clickhold down the Ctrl key while you click inside the drive, and select PastePaste Item.
- On your destination computer, right-clickhold down the Ctrl key while you click on your backup Thunderbird folder, and select CopyCopy 'Thunderbird'.
- Open Thunderbird, and close the account setup window if it appears.
- Click on the menu button , then go to Help and select Troubleshooting Information.Go to the Help menu and select Troubleshooting Information.
- Click on . Your Thunderbird profile folder will open in Windows ExplorerFile BrowserFinder.
- CloseQuit Thunderbird.
- From your Thunderbird profile folder, go up three levelsgo up two levelsopen the Go menu and select Enclosing Folder two times.
- Right-clickHold down the control key while you click inside the folder, and select PastePaste Item.
- When prompted, choose to replace your current data.
If you have used the profile manager to store your data in a custom location, create a new profile in the same location as your prefs.js file. Thunderbird will use the already existing data.