Mpl.7z -

: It supports AES-256 encryption for both data and the archive structure (header encryption), making it a secure choice for sensitive storage.

If you are looking for a review of the archive format itself: MPL.7z

: The format is open-source and supported by a wide variety of tools, including 7-Zip and libraries like bit7z . : It supports AES-256 encryption for both data

: Files with "MPL" in the name generally signal that the contents are under the Mozilla Public License , which allows you to use the code in larger works (even proprietary ones) as long as you keep the original MPL-covered files open and provide notice of changes. Quick Review: 7-Zip (.7z) Format Quick Review: 7-Zip (

: Some users have reported "weird crashes" when implementing 7z API wrappers in custom projects, particularly with memory allocation or item extraction callbacks in specific programming environments like Lazarus/Free Pascal.