Topic: Is it time to give up on 7-Zip? @ AskWoody
“I've noticed over time that sending anything to anyone that's password protected absolutely has to be done using 7zip. Seemingly every other option just seems to get lost.” Reddit · r/privacy · 3 years ago dontpostme.7z
Auditable, though lacks some modern security flags like ASLR. Requires 3rd party app Requires apps like 7-Zip, PeaZip , or Keka . Topic: Is it time to give up on 7-Zip
“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 Requires 3rd party app Requires apps like 7-Zip,
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
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.
It typically results in files 30–70% smaller than ZIP.