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The folder is named using the following convention: It also means that you don't have to reinstall Thunderbird in order to delete your information or troubleshoot a problem.Įach profile is stored on your hard drive in a profile folder. Because we store profile and program files separately, you can uninstall Thunderbird without losing your messages and settings, and if something goes wrong with a Thunderbird update your information will still be available. The program files are static and do not change (except when you upgrade the Thunderbird application version). Profile files are stored separately from the Thunderbird program files. This profile will be used automatically unless you invoke the Profile Manager and create a new profile. When you install Thunderbird it creates a profile called "default". Second, it stores any changes you make while using Thunderbird (for example, changes to account settings and changes to the toolbar). First, it stores your local mail, and possibly copies of messages that reside on the mail server (depending on your account configuration). In Thunderbird, the profile stores two main sets of items.
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