Home : File Types : DD File

.DD File Extension

File TypeDiskDoubler Archive

3.5 (19 Votes)
CategoryCompressed Files

What is a DD file?

Compressed file archive created by Macintosh DiskDoubler for Mac OS Classic; uses the LZ78 compression algorithm; compresses files in place on the hard drive, which are expanded on-the-fly when opened; compressed automatically in the background using AutoDoubler.

More Information

DiskDoubler was later replaced by Now Compress and Stuffit SpaceSaver. DiskDoubler is not available for Mac OS X.

Open and view .DD files with File Viewer Plus.

Programs that open DD files

Symantec Norton DiskDoubler Pro
Updated 12/26/2018

About DD Files

Our goal is to help you understand what a file with a *.dd suffix is and how to open it.

The DiskDoubler Archive file type, file format description, and Mac and Windows programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

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