.RI File Overview

File Extension:	RI
File Type Description:	IBM Lotus 1-2-3 File
File Type Developer:	IBM
Primary Associated Software:	Lotus 1-2-3
Primary Software Developer:	IBM

Open your files with FileViewPro File Viewer

Download File Opener

Optional Offer for FileViewPro by Solvusoft | EULA | Privacy Policy | Terms | Uninstall

Home File Types Data Files RI

What is File Extension RI?

IBM developed the IBM Lotus 1-2-3 File file type when the Lotus 1-2-3 was initially released. Website visitor analysis indicates that RI files are commonly found on Windows 10 user machines, and are most popular in China. A majority of people seeking info on RI files are using the Google Chrome browser.

Associated Developers and Software

Lotus 1-2-3 by IBM

Top RI User Languages

Top RI File User Browsers

Desktop Friendly?

Mobile Friendly?

Top User Operating Systems


Windows 10	Windows 11	Windows 6	Windows 8.1

Associated Operating Systems

	Windows
	Mac

Other File Types Related to RI Files

Extension	File Type Developer	File Category	File Type Description
.WG2	IBM	Data Files	IBM Lotus 1-2-3 File
.ILV	IBM Cognos	Data Files	ILOG File
.MVR	IBM	Web Files	IBM HotMedia Multimedia File
.EBS	Psychology Software Tools, Inc.	Executable Files	E-Run Version 1 Script File
.NS4	IBM	Database Files	Lotus Notes 4 Database
.UXZ	IBM	System Files	IBM Flex CMM Update Data
.PPX	Serif	Page Layout Files	Serif PagePlus Template File
.PKX	IBM	Data Files	Rational XDE Data
.IIB	IBM	3D Image Files	IBM Lotus Notes Data
.EC	Informix Corporation	Developer Files	Informix ESQL/C Source