Advanced users use tools like ipatool to fetch specific older versions directly from Apple's servers.
Since the official Apple App Store often removes older versions once they are no longer supported, users turn to third-party archives and tools. Trusted Archives Internet Archive Messenger Ipa Old Version
If you have acquired a .ipa file for Messenger version, say, v110.0 , you cannot simply double-click it on a stock iOS 16 or 17 device. Apple blocks user installation of IPAs via Finder/iTunes natively now. Advanced users use tools like ipatool to fetch