Spln_01.7z -

: It typically uses the LZMA or LZMA2 algorithms to achieve better compression ratios than standard ZIP files.

: Use 7-Zip (official open-source tool) or alternatives like WinRAR or WinZip . SPLN_01.7z

: It supports strong AES-256 encryption, meaning you may need a password to view or extract its "detailed content". : It typically uses the LZMA or LZMA2