Restoration of deleted files

how can i restore my deleted files. i mistakenly some of my codes while doing my guided projects. it’s over two days now and no way.

pls how can i restore the codes. Ctr + Z is not working.

@ibnmasood51 Welcome to DQ Community!

Can you please clarify you have lost the project or ceratin code cells? Assuming you were working on DQ platform itself and not your local machine, perhaps these links may be of some help: