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How to open .OR3 file extension?

File Type : Organizer 97 File (IBM)
Compatible with (WinXP,Vista,Win7,Win8 and Win10)

Looking for a program to open .OR3 files?

"Windows unable to open a file!" is probably the most common error faced by millions every day. This is either because the program required to open a file is not available on your system or there may be other issues.

We recommend that you run a free scan to check for missing drivers.



What is .OR3 file extension?

.OR3 file extension is a known file type. This section of tells you everything you need to know about this extension.
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.
You can see a list of software programs here on that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.

Software that can be used to open .OR3 files:

Microsoft Windows:
  • IBM Lotus Organizer 97 or later