To give you a "deep review," here is an analysis of the container format ( .7z ) and the security implications of this specific file type as of . 1. The Container: 7z Compression
Be cautious if you downloaded this from a third-party site. Recent reports have identified fake 7-Zip installers that install malware and turn PCs into proxy nodes Malwarebytes . dontpostme.7z
“I Sam facing the same problem... was there a ¿ in the password? just found out that any password with ¿ in it will result in 7zip giving a pw error.” Reddit · r/compression · 5 years ago Technical Overview Table Performance AES-256 (Top Tier) Excellent for private "dontpostme" data. Speed 2–5x slower than ZIP Trade-off for much smaller file sizes. Openness Open Source To give you a "deep review," here is
Unlike ZIP, .7z can hide the names of the files inside the archive, so no one can even see what is stored without the password Reddit . 2. Privacy and "dontpostme" Context Recent reports have identified fake 7-Zip installers that
It supports high-level encryption. If the creator used a strong password, the contents are practically impossible to access without it Compresto.
The file dontpostme.7z appears to be a specific compressed archive created using 7-Zip . Based on its naming convention, it is likely a personal archive containing sensitive or private content intended to stay offline.