Open ### file

### files: what are they and how do I open them?

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.### file type #1: Temporary file

A ### file extension is mostly used for temporary files created by various computer programs.

Further details:

The ### file suffix is associated with many applications.

The ### file extension is mostly used for temporary files.

Temporary files may be created by computer programs for a variety of purposes, principally when a program cannot allocate enough memory for its tasks, when the program is working on data bigger than architecture's address space, or as a primitive form of inter-process communication.

.### file type #2: DoubleSpace compressed volume file

A ### file extension is related to the DoubleSpace (also known DriveSpace) a compression tool. A *.### file contains compressed volume.

Further details:

The ### file extension was related to DriveSpace. Also known as DoubleSpace, it was Microsoft's disk compression software.

It was included as part of Windows 95, 98, and Me, as well as DOS 6.20 and later. The latest version in Windows 98 and Me was version 3 (DriveSpace3).

Disk compression software compresses data on the fly when the data is to be stored on the hard drive or a floppy, and expands the data as it is read from the drive. The process happens in the background, and is transparent to the user.

With DriveSpace, compressed drives are actually one large hidden file on a host drive. For instance, if you compress the C: drive, you will find a Drive H on your computer afterwards. This drive will appear to have no space on it, since the hidden file (which you will not see, of course) is actually taking up all the space.

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Microsoft Windows icon

Microsoft Windows

A series of operating systems developed by Microsoft


An cold ompression tool for MS-DOS operating system

MS-DOS icon


Old operating system by Microsoft dominant in 1980s

.### file type #3: SmartWare area font filled file

A ### file extension is related to the SmartWare and used for its filled area font.

Further details:

The ### file extension is associated with the SmartWare, a development platform based on Faircom database engine, available for Windows.

The ### file contains filled area font used by the SmartWare software.

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A programming platform

What is the meaning of a file extension?

File extensions are characters that appear after the dot in a computer file's name. For example, the file "unknown-file.###" has the file extension "###". This is used to identify which program should open the file or what file type it is.
File extensions help you organize and manage files. They provide a quick and easy way to identify and associate the file type with the appropriate software.

We can help you open your file

In our database, we have collected a huge number of different file extensions, detailed descriptions, and programs that can be used to open or otherwise work with the file extensions listed in our database.
This database is an invaluable resource for users who want to understand better file extensions and what they can do with them. It also allows users to know different file types with the same purpose.

Only verified software links are provided

We have verified every software listed in our database. The software listed in our database includes links to the developer's or software's website. These links should allow you to download the right program for each file type. Using verified software from reputable sources helps minimize the risk of malware and viruses infecting your computer.