I have all my Unreal projects on a single storage device, but want to move them all to a new storage device. When I manually move them, the Launcher can no longer find them and looses contact/link with any as it doesn’t have either a basic scan function or a setting to tell launcher where they are located…
After you open them once launcher remembers. You can also set up additional project directory in launcher.
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thanks i needed this as well
Where is that 'feature, I cannot find it anywhere in the Launcher, settings would be the most obvious but it is not there.
With over 200 projects, I don’t foresee me opening each one manually…
Will need to do this for each Editor Version and Project, with over 200 projects, I’d die of exhaustion first 
I’ll certainly give it a shot, thanks.
Update, that worked for a single project and editor version. That would require me doing that same thing for my 200+ and counting projects… that is not an option.
I will try searching through INI files, to see if this can be done at Editor level… but I am doubtful.
My bad settings there are for launcher plugins and packages folder, not for projects folder.
However i think unreal has that folder name in some ini file.
And this time i confirmed, once you open project (in any folder) it is added to list of projects in launcher.
I found ini file that MAY solve your problem:
…\AppData\Local\EpicGamesLauncher\Saved\Config\Windows\GameUserSettings.ini
it has several lines like:
CreatedProjectPaths=F:/UE_projects
Those look like all recent places i stored my projects. So try adding new folder there and see if it works.
Also separate engines have similar ini file with same strings.
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Awesome, I’d found that ini after hours of digging about, just before I read this post…
That did the trick… Thanks for your help.
Now all I have to do is wait for epic to resolve this ‘update’ bug where I do not get a email with a login code… I have a support ticket out for more than 24 hours. No update beyond posting the issue on x… I have suggested THEY turn it off for my account, until they fix it… Until then, I guess I just have to wait.
There is awesome tool for windows: Total Commander.
And it has search (alt+F7) that can go trough files and search for string in them.
For this it was all *.ini in unreal folders that included my path. Took about 2 min.
It is also great to pack and crate local backups of projects.
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I use something similar, it is part of a security suite which I cannot share, due to non-disclosure agreements.
I did a scan of the windows registry firstly… then onto the ini files, but knowing windows, there had to be something hidden in the AppData section, where I found it. As soon as I had, I saw your post.
Thanks again for your help and time spent. A great solution.