DDAP file format description

Many people share .ddap files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .ddap file can be edited, converted or printed with. On this page, we try to provide assistance for handling .ddap files.

1 filename extension(s) found in our database.

.ddap - DiskDoubler Compressed Data

The DDAP archive files are related to DiskDoubler. The DDAP file is a DiskDoubler Compressed Data. DiskDoubler (DD) was a data compression utility for compressing files on the classic Macintosh platform. The DiskDoubler seems to be no longer supported.

Archive files
- / -
DiskDoubler Compressed Data related extensions:
DiskDoubler Archive

Naturally, other applications may also use the .ddap file extension. Even harmful programs can create .ddap files. Be especially cautious with .ddap files coming from an unknown source!

Can't open a .ddap file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


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 one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .ddap file extension is often given incorrectly!

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

dap, dda, ddp

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Dinkey Dongle Parameter File
Delphi Diagram Portfolio
DDA Media Package
GLBasic ASCII Scene Data
Download Accelerator Plus Partial Data
Dragon Age: Origins Game Settings Data

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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DataTypes.net >> DDAP file