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Cleanup local files in Profile folder.

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redcrown.arkacy
redcrown.arkacy
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I've been using Thunderbird for years, always storing message on my machine. My local profile folder is now 2.3GB with 14,191 files in 688 folders. I suspect there is a lot of "orphaned" junk there. Most suspicious are hundreds of folders and files in subfolders named Cache and Cache.Trash, all dated in 2017. There is a cache2 folder that appears to be current.

I also have several other folders/files with dates (modified) back in 2017 and 2018, apparently no longer in use. I'm migrating to a new machine and would like to avoid junk if it's really junk. Is there a "cleanup" tool, or any guidance on how to identify and delete orphans?

Or... is there a way to "export" all and then "import" on a new machine. I've seen the migrate video, but it just tells how to copy/paste everything.

I've been using Thunderbird for years, always storing message on my machine. My local profile folder is now 2.3GB with 14,191 files in 688 folders. I suspect there is a lot of "orphaned" junk there. Most suspicious are hundreds of folders and files in subfolders named Cache and Cache.Trash, all dated in 2017. There is a cache2 folder that appears to be current. I also have several other folders/files with dates (modified) back in 2017 and 2018, apparently no longer in use. I'm migrating to a new machine and would like to avoid junk if it's really junk. Is there a "cleanup" tool, or any guidance on how to identify and delete orphans? Or... is there a way to "export" all and then "import" on a new machine. I've seen the migrate video, but it just tells how to copy/paste everything.

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david
david
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The cache folders can be emptied. Your major concerns are more likely the contents of the Mail and Imapmail folders, as that is where your email and local folders tend to reside.

Once cleared up, - exit Thunderbird - install Thunderbird on new machine. - copy the profile at c:\users\yourID\appdata\roaming\thunderbird\profiles to the equivalent location on new PC (userId may be different) - start Thunderbird - at email setup prompt, click 'home' tab at top - right-click near top and click 'menu bar' - click help>moretroubleshootinginformation - scroll down to profiles - click 'about:profiles' - yours will be shown. click to activate - done