If you don’t already have a ZIP file created, you can simply select all your files, right-click on them, and select Compress to > Zip file. However, if you want to add more files to an existing zip ...

This post explains what is a BAK file and how to open it on a Windows 11/10 PC. BAK file is a backup file that stores a copy of another file (or data in its previous state) for backup and recovery.