I just stopped using that USB drive
An excellent approach.
searched over the internet and wondered to find a practical way to get all these videos back.
And I’m sure you found there are hundreds of tools for undeleting files. And all free to download. Unfortunately 99% are not free to actually recover your files. For that function they want $$$.
The 3rd posting in this thread will help.
The apps are free to download and free to run and free to recover your files. If one doesn’t recover all your files try a different one. Most are standalone, ie removing them once done using them is easy.
