Right-click the file and select Open With > Archive Utility . This is built into macOS and handles basic 7z extraction.
Use apps like iZip or ZArchiver . Open the app, locate the file, and select the extract option. Common Issues & Security Open 7z Files With WinRAR: Extract 7Z file 1stSeason.7z
"" is a compressed archive file typically containing media files, such as video episodes or soundtracks from a TV series or anime. The .7z extension indicates it was created using 7-Zip , a free, open-source file archiver known for high compression ratios. How to Open and Extract 1stSeason.7z Right-click the file and select Open With > Archive Utility