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Open .OR4 file Extension

File Type : Organizer (IBM)

Compatible with: (Mac OSX 7, 8, 9, 10, 11, 12)

Searching for a program to open .OR4 files?
The error "There is no application set to open the document." is a common problem faced by millions of Mac users daily. This happens either because the required app to open that file does not exist or there might be some malicious apps tempering your Mac

.OR

ExtensionSmallImg 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

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Microsoft Windows:
  • IBM Lotus Organizer 97 GS or later