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My desktop PC video & audio died, so I installed the disk drive into a new PC as its 2nd drive. How can I copy my old TBird data from the 2nd drive to the 1st?

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My old desktop PC video & audio died, so I installed the C drive into a new desktop PC as the 'F' drive. How can I copy my previous TBird email & addresses from the F drive to the new TBird location on the C drive? btw - I'm surprised that the fix for this common occurence isn't already in the on-line troubleshooting info.

My old desktop PC video & audio died, so I installed the C drive into a new desktop PC as the 'F' drive. How can I copy my previous TBird email & addresses from the F drive to the new TBird location on the C drive? btw - I'm surprised that the fix for this common occurence isn't already in the on-line troubleshooting info.

Chosen solution

The Thunderbird folder described above contains a Profiles subfolder, which in turn contains the profile folder(s), which contains all address books, mail, calendars, add-ons and account settings. There will be separate Thunderbird folders for each Windows username, as indicated in my first reply.

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Transfer the Thunderbird folder from the old drive to the new drive:

https://support.mozilla.org/en-US/kb/moving-thunderbird-data-to-a-new-computer

The Thunderbird folder is located (by default) here:

C:\Users\username\AppData\Roaming\Thunderbird\

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According to the TBird website, the Emails & address book aren't stored in the Thunderbird folder, but rather in the 'profiles' folder. This seems to make sense to me, as there may be multiple users (a.k.a. profiles) on a PC, but they only need one code set per PC.

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Chosen Solution

The Thunderbird folder described above contains a Profiles subfolder, which in turn contains the profile folder(s), which contains all address books, mail, calendars, add-ons and account settings. There will be separate Thunderbird folders for each Windows username, as indicated in my first reply.

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You were right, of course. The problem was that those are all hidden folders & files, & I hadn't yet enabled display of hidden items on my new PC. Once I did that, it all became clear. Thanks for your patience!