.OR4 File Extension
File TypeIBM Lotus Organizer 97 GS File
File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.
What is an 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.