What is .OR4 file?
Organizer file created with Lotus Organizer, a personal information manager (PIM) software program; includes a contact list, calendar, to-do list, call record, and other information.
Lotus Organizer 97 GS was included as part of IBM Lotus SmartSuite 97 GS.
Recommended Software Programs to open .OR4 file
- IBM Lotus Organizer 97 GS or later