The .att file extension is related to AT&T Group 4 bitmap graphics file format.

There are 4 other file types using
the ATT file extension!

empty icon.att - Web Form Data

att icon.att - Alphacam lathe tool data

empty icon.att - SeeYou waypoint

empty icon.att - ZipLip secure e-mail message

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ATT file extension - AT&T Group 4 bitmap graphics file

What is att file? How to open att files?

File type specification:

Bitmap image file type icon Bitmap image file type

att file icon: att filetype icon

The ATT file extension is associated with the AT&T Group 4 bitmap graphics file format used to store FAX messages in electronic form.

The AT&T Group 4 bitmap graphics format seems to be obsolete and not supported by current FAX applications, but it is viewable in XnView picture image editing software.

Bitmap graphics (FAX file).

Help how to open:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert:

As far as we know, this .att file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of recommended software applications associated to the .att file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open att file, edit att file, convert att file, view att file, play att file etc. (if exist software for corresponding action in's database).

att file viewer - programs that view att file - AT&T Group 4 bitmap graphics file

Programs supporting the exension att on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about XnView MP for view att file action.


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