Delete the original folder (optional but safer). Now to open it, double-click the archive → enter password → extract.
Change Archive format to 7z . Under Encryption , type a strong password twice. Check Encrypt file names – this hides everything inside. 7-zip password protect folder
“Want to password protect a folder for free? Use 7-Zip. Here’s how in 60 seconds.” Delete the original folder (optional but safer)
Right-click your folder → hover over 7-Zip → click Add to archive… 7-zip password protect folder
Click OK . A new .7z file appears.