The most common professional reference to "RAR" and "15" together involves , specifically in relation to the IFRS 15 accounting standard.

: This software helps businesses manage revenue recognition to comply with international financial reporting standards.

Regardless of its content, a .rar file is a compressed archive that requires specific software to extract: : Use WinRAR or the free, open-source 7-Zip . Mac/Mobile : Use apps like iZip or The Unarchiver .