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Let's say the Inbox folder has a subfolder of SomeSubFolder. Then the path to the MBOX file of the Inbox folder will be as follows: C:\Users\UserName\AppData\Roaming\ Thunderbird\Profiles\fault\ Mail\\Inbox If the Inbox folder has a subfolder, then the files in this folder will be located in the Inbox.sbd directory. Let's say you have and this is a POP account.
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For example, the Inbox folder consists of two files - Inbox and Inbox.msf. The index file name also matches the folder name but has the. The file name of the folder matches the name of the folder and has no extension. The mail folder itself in Thunderbird consists of two files - the actual message file in MBOX format and the folder index file. Inside the Mail and ImapMail directories, a subdirectory is created for each account. The Mail subdirectory also stores Local Folders. Inside the profile directory, POP accounts folders are stored in the Mail subdirectory, and IMAP accounts folders are stored in the ImapMail subdirectory. The path to the profile directory is: C:\Users\UserName\AppData\Roaming\ Thunderbird\Profiles\fault where nnnnnnnn is a random sequence of characters. Thunderbird stores all the data in one directory on a hard drive called Profile.
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Where are message folders stored in Thunderbird?
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