.OR3 File Extension
File TypeIBM Lotus Organizer 97 File
What is an OR3 file?
Data file created with Lotus Organizer 97 (a.k.a. Lotus Organizer 3) personal information manager software; contains a calendar, a list of contacts, a to-do list, notes, and other information.
Lotus Organizer 97 was included as part of IBM Lotus SmartSuite 97.