7Z file format
The 7z file was issued in 1999 along with the 7zip, which was accessible to all. In the layout, any converting, encrypting, or compressing procedure was applicable. This format is highly future-proof due to the simplicity of using these methods. This sort of file can be very big and can get compressed highly.
The file size for 7z can be 16000000000GB. 7 sorts of compressing can be done. LZMA compresses at 1MB per second and decompresses at 20MB per second. AES-256 encryption can be done in this file format.