20100713cvs_backup.tar.7z

This is almost certainly a backup of software source code or digital assets from 2010 or earlier.

.tar.7z indicates a tar archive ( .tar ) compressed with 7-Zip ( .7z ), which suggests a high level of compression on a potentially large dataset. 20100713cvs_backup.tar.7z

Files with this naming convention often appear in legacy software archival, developer backups, or sometimes in data leaks. This is almost certainly a backup of software

If you can share more context about where this file came from, I can provide a more specific review of its likely contents and importance. 20100713cvs_backup.tar.7z