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Why are there aaaa-1.sbd and aaaa-2.sbd folders for my IMAP?

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thoste
 
Posts: 101
Joined: June 7th, 2003, 12:45 am

Post Posted November 1st, 2017, 7:34 am

When I look into my ImapMail folder and the subfolder for my imap account then there are for some (but not all) mail folders
a second "almost-sibling(s)" folder with the postfix -2 or -3 e.g.

Deleted.sbd
and
Deleted-1.sbd

or

Susan.sbd
and
Susan-1.sbd
and
Susan-2.sbd

Similarly there are *.msf files as well like:

Deleted.msf
Deleted-1
Deleted-1.msf

When I look into my account through browser WebMail then there are no such folders.

So whats the purpose of these "shadow subfolders"?

Almost always they contain no files.

Can I just deleted them manually?

Can I cleanup them somehow through Thunderbird?

Thomas

DanRaisch
Moderator

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Posts: 117714
Joined: September 23rd, 2004, 8:57 pm
Location: Somewhere on the right coast

Post Posted November 1st, 2017, 8:54 am

Can I just deleted them manually?

If they contain no files, then yes.

Can I cleanup them somehow through Thunderbird?

No.

The .sbd subdirectories are used to store the folders in a hierarchy, so it looks as though at some point, there were sub-folders of Deleted that resulted in the creation of Deleted.sbd and then a second sub-folder named Deleted was created (probably unintentionally) and Thunderbird added the -1 to prevent elements with duplicate names. The same would apply to the sub-directory Susan-1.sbd and Susan-2.sbd (which would have been the result of a third sub-folder named Susan being called for.

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