I. Bkp.7z | Tested & Working

Likely stands for "Incremental" or "Immediate".

"What's in your 'i.bkp' today? Let me know your backup routine in the comments!" Option 2: The Technical Deep-Dive i. bkp.7z

Discuss how 7-Zip offers better compression than standard ZIP files. Likely stands for "Incremental" or "Immediate"