Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .ddm

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .ddm file?
  • Which program can create the .ddm file?
  • Where can you find a description of the .ddm format?
  • What can convert .ddm files to a different format?
  • Which MIME-type is associated with the .ddm extension?
Alpha Five Data Dictionary Memo .ddm file icon

Alpha Five Data Dictionary Memo

DDM file is an Alpha Five Data Dictionary Memo. Alpha Five is a beginner friendly application development environment.
Category: Development files
Application: Alpha Five
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Lotus Approach 97 Document
Microsoft Access Database
SlamDB Database
Alpha Five Set Index
Alpha Five Set Object
Resort Software Database
General Database File
Pervasive SQL Database
Alpha Five Database

Other types of files may also use the .ddm file extension. If you have helpful information about .ddm extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

NTI CD/DVD-Maker Image
DiskCatalogMaker Catalog Data
OMA Download Descriptor
SilkRoad Online Image
Ovation Pro DDL
Turing DEM File
Delphi Form
BYOND Dream Maker Source Code
Domain Model Definition

The .ddm filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

vdm (1), dd (1), rdm (1), cdm (1), edm (1), dwm (1), dsm (1), dmd (1), dfm (1), ddl (1), wdm (1), ddj (1), sdm (1), dcm (1), fdm (1)

Can't open a .ddm file?

If you want to open a .ddm file on your computer, you just need to have the appropriate program installed. If the .ddm association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.ddm

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android