.DGM

DGM File

Lotus Freelance Diagram
Ask a question
QUICK ANSWER

A .DGM file is associated with Lotus Freelance Diagram.

Developer: IBM Category: Misc Files

On this page

19k+ extensions indexed
Last reviewed

Not sure what your file is?

Drop any file into our identifier - we read just the first bytes to name the format.

Identify a file

What is the DGM file format?

A file with the .DGM extension is a file known as Lotus Freelance Diagram. This format is associated with IBM.

The reliable way to open a .DGM file is with software that recognises this exact format, rather than guessing from the file name. If you are not sure what created a file, our file identifier can read its first bytes and name the real format, even when the file has been renamed.

We are still gathering the list of programs that open .DGM files. A fully verified, hand-written description of this format is being prepared; until then, the details on this page are drawn directly from our database.

Format details

in a nutshell
FULL NAMELotus Freelance Diagram
DEVELOPERIBM
CATEGORYMisc Files

Community Q&A

asked by users
Ask a quick question
Get help from people who work with DGM files. Be specific - include your system and software version.
No account needed · answers usually within a day
J
JuanAug 2026UNANSWERED
Cómo habéis archivos .gdm en Windows
Waiting for an answer

Keep exploring

across the database

Top extensions this week

1.AQQAQQ Instant Messenger File
2.CRDOWNLOADChrome Partial Download File
3.EXEWindows Executable (Portable Executable)
4.PARTPartial Download File
5.BINCD/DVD Disc Image (BIN/CUE)
6.DATProgram Data File (generic)
7.RPMSGRestricted Permission Message
8.MDMarkdown Document
9.TXTPlain Text File
10.NOMEDIAAndroid No-Media Marker File

Free file tools

An in-browser file identifier and image converter - everything runs on your device.

Open the toolbox

Browse file extensions A-Z