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How do you restore a backup in Thunderbird?

JMW
Posted

I have Thunderbird set up to make backups monthly, and they exist. But I cannot find how to restore a backup.

I have Thunderbird set up to make backups monthly, and they exist. But I cannot find how to restore a backup.
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christ1
  • Top 25 Contributor
2140 solutions 15597 answers

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https://support.mozilla.org/kb/profiles-where-thunderbird-stores-user-data#w_restoring-a-profile-backup
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Question owner

That is helpful in understanding, but it doesn't quite address my problem in detail. I had archive files for 2017 and 2018 on the 'gridhost' server, but when I switched to the 'quasar' servers (these servers are all with the same ISP) , those archives were deleted.

I have been making backups with Mozbackup and I suppose the archives are in the last backup I took before the switch of servers. If I restore that backup, of course it reverts to the 'gridhost' account settings and several other old settings, which I don't want to do.

Is there a way of extracting those archives from the backup and just restoring those , or saving them somewhere so that I can read them?

That is helpful in understanding, but it doesn't quite address my problem in detail. I had archive files for 2017 and 2018 on the 'gridhost' server, but when I switched to the 'quasar' servers (these servers are all with the same ISP) , those archives were deleted. I have been making backups with Mozbackup and I suppose the archives are in the last backup I took before the switch of servers. If I restore that backup, of course it reverts to the 'gridhost' account settings and several other old settings, which I don't want to do. Is there a way of extracting those archives from the backup and just restoring those , or saving them somewhere so that I can read them?
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christ1
  • Top 25 Contributor
2140 solutions 15597 answers
I had archive files for 2017 and 2018 on the 'gridhost' server,

You'd need to explain what 'archive file' means, what kind of format it is, and what exactly is in there. I neither have any idea what the 'gridhost' server is and what is does.

when I switched to the 'quasar' servers (these servers are all with the same ISP) , those archives were deleted.

I'm not sure how this is related to Thunderbird.

Is there a way of extracting those archives from the backup and just restoring those , or saving them somewhere so that I can read them?

It seems your question isn't about Thunderbird in the first place, but more how to restore an archive created with an unknown backup software of your's. This isn't really the scope of this forum. You may ask in an forum related to your backup software.

Once you obtained the desired files from your backup archive you may ask here again for help on how to restore Thunderbird data to the profile.

<blockquote> I had archive files for 2017 and 2018 on the 'gridhost' server, </blockquote> You'd need to explain what 'archive file' means, what kind of format it is, and what exactly is in there. I neither have any idea what the 'gridhost' server is and what is does. <blockquote> when I switched to the 'quasar' servers (these servers are all with the same ISP) , those archives were deleted. </blockquote> I'm not sure how this is related to Thunderbird. <blockquote> Is there a way of extracting those archives from the backup and just restoring those , or saving them somewhere so that I can read them? </blockquote> It seems your question isn't about Thunderbird in the first place, but more how to restore an archive created with an unknown backup software of your's. This isn't really the scope of this forum. You may ask in an forum related to your backup software. Once you obtained the desired files from your backup archive you may ask here again for help on how to restore Thunderbird data to the profile.
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Question owner

I'm sorry that my explanation wasn't clear. I tried to make it short, but clearly it is too short. Thunderbird can create Archive folders in which messages can be stored for a long time. I don't know the format; I guess the messages are compacted.

'gridhost' is the name of a mail server belonging to my ISP and 'quasar' servers are other servers belonging to my ISP. I was just explaining how the Archive folders went missing.

The Archive folders are created by Thunderbird, so the issue is related to Thunderbird.

I don't think 'Mozbackup' is unknown to the Mozilla community. I found it from the Mozilla web site. mozbackup.jasnapaka.com/

I'm sorry that my explanation wasn't clear. I tried to make it short, but clearly it is too short. Thunderbird can create Archive folders in which messages can be stored for a long time. I don't know the format; I guess the messages are compacted. 'gridhost' is the name of a mail server belonging to my ISP and 'quasar' servers are other servers belonging to my ISP. I was just explaining how the Archive folders went missing. The Archive folders are created by Thunderbird, so the issue is related to Thunderbird. I don't think 'Mozbackup' is unknown to the Mozilla community. I found it from the Mozilla web site. mozbackup.jasnapaka.com/
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sfhowes
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1417 solutions 6733 answers

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MozBackup stores backups in .pcv files. Change the extension to .zip and extract the archive. This will show a structure the same as your profile folder. Look in the Mail (for POP accounts) and ImapMail (for IMAP accounts) subfolders (and possibly .sbd subfolders) for mbox files named 2017 and 2018 that have no extension and are accompanied by .msf files with the same name. Copy these mbox files into the Mail/Local Folders location in your current profile folder (while TB is closed). Help/Troubleshooting Information, click Open Folder to open your profile folder. When you restart TB, you should see 2017 and 2018 folders under Local Folders.

MozBackup stores backups in .pcv files. Change the extension to .zip and extract the archive. This will show a structure the same as your profile folder. Look in the Mail (for POP accounts) and ImapMail (for IMAP accounts) subfolders (and possibly .sbd subfolders) for mbox files named 2017 and 2018 that have no extension and are accompanied by .msf files with the same name. Copy these mbox files into the Mail/Local Folders location in your current profile folder (while TB is closed). Help/Troubleshooting Information, click Open Folder to open your profile folder. When you restart TB, you should see 2017 and 2018 folders under Local Folders.
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Question owner

It has 'sort-of' worked, probably sufficiently. A few emails were corrupted, with bizarre dates, but I think I can delete them. I didn't find any .pcv archives. The archives are folders with names like g3ns520d.default-20180718-2326 and in them are the folders you describe. In ImapMail, I found the folders and files from the former mail server and appear to have successfully imported them into Local Folders. I could then move the contents of Trash2 and Sent2 folders to Trash and Sent and delete the duplicate empty folders.

It has 'sort-of' worked, probably sufficiently. A few emails were corrupted, with bizarre dates, but I think I can delete them. I didn't find any .pcv archives. The archives are folders with names like g3ns520d.default-20180718-2326 and in them are the folders you describe. In ImapMail, I found the folders and files from the former mail server and appear to have successfully imported them into Local Folders. I could then move the contents of Trash2 and Sent2 folders to Trash and Sent and delete the duplicate empty folders.
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user01229325 2241 solutions 10216 answers

Hopefully you read the big notice at the Mozbackup site that the software is broken and to use at your own risk. It is known by the community and it is known to be broken for quite a while now.

Hopefully you read the big notice at the Mozbackup site that the software is broken and to use at your own risk. It is known by the community and it is known to be broken for quite a while now.
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Question owner

Yes, I know about the warning, but I don't have a 'broken' problem. However, I'm now wondering whether the backups I have were made with Mozbackup or something else. Perhaps when it says it wants to make a backup, I will be able to identify it.

Yes, I know about the warning, but I don't have a 'broken' problem. However, I'm now wondering whether the backups I have were made with Mozbackup or something else. Perhaps when it says it wants to make a backup, I will be able to identify it.
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