What is a .REM File – How to Open REM Format – Programs

The REM file extension is used as a file format for the ACT! Database Maintenance software of Cornerstone Solutions.

This in all the files used in the application’s versions 3 to 6. This application allows the user to compress at the same time re-index their database on a daily, weekly and even on a monthly basis. This is also used by other file types such as Annotation and Delphi Memory Swap File.