The "Wednesday.7z" name is likely just a timestamped backup or a collection of mid-week project files someone sent your way. Why 7z Beats the Standard ZIP
A file ending in is a compressed archive created using 7-Zip , a free, open-source file archiver. Much like a standard ZIP file, it acts as a "container" that bundles multiple files and folders into one smaller package. Wednesday.7z
7z files often compress data 30–70% better than the standard ZIP format, saving significant disk space. The "Wednesday