Microsoft Windows, Windows Mobile, macOS, Android, iOS, BlackBerry OS, Android TVĪIM ( AOL Instant Messenger) was an instant messaging and presence computer program created by AOL, which used the proprietary OSCAR instant messaging protocol and the TOC protocol to allow registered users to communicate in real time.ĪIM was popular from the late 1990s to the late 2000s, in North America, and was the leading instant messaging application in that region.
