Lotus Agenda file format
File type: Various data file
An ag file is a data file used by Lotus Agenda, a personal information manager for MS-DOS.
It stores information managed by the Lotus Agenda application.
Found 3 different file type records with the same ag filename suffix.
File type category:
Various data file
Date updated: October 22, 2026
Record marked as obsolete and not updated for a long time.
Lotus Agenda was a personal information manager developed by Lotus Development Corporation for MS-DOS. It used ag files to store the user's Agenda data.
The format belongs to the Lotus Agenda application rather than to a general-purpose document standard. The file may contain the information and organisational data created and managed in an Agenda installation.
Lotus Agenda and the ag file format are obsolete. The original software was designed for MS-DOS and is no longer maintained as a current desktop application.
Open the ag file with the original Lotus Agenda software in an MS-DOS or compatible DOS environment.
Modern operating systems generally cannot open this format directly. A DOS emulator may be needed to run Lotus Agenda, provided that the application and its supporting files are available.
Open the file in Lotus Agenda and use the application's available export, copying, or printing facilities to preserve the information in a more accessible form.
File type category:
Graphics file
Date updated: August 23, 2017
The ag file extension is associated with Applix TM1 product.
Applix Inc. was acquired by Cognos in 2007 and in 2008 Cognost itself was acquired by IBM. So it is now called IBM Cognost TM1.
The ag file stores graphics data.
Cognost TM1 may be able to work with *.ag files.
Software applications that can open ag files:
Microsoft Windows
Software apps that create ag files:
Microsoft Windows
Software applications that handle other tasks involving ag files:
Microsoft Windows
File type category:
Spreadsheet and workbook file
Date updated: March 22, 2018
The ag file extension is used by apps for cash flow analysis, asset and
investment management, budgeting and planning, developed by Argus.
The ag file stores spreadsheet document from these programs.
Use Argus apps to work with *.ag files.
Possibly can be converted like any other spreadsheet programs.
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