Files with att extension are mainly related to Web Form Data file format that contains data from online webpage javascript in a text format.

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

att icon.att - AT&T Group 4 bitmap graphics

att icon.att - Alphacam lathe tool data

empty icon.att - SeeYou waypoint

empty icon.att - ZipLip secure e-mail message

ATT file extension - Web Form Data

What is att file? How to open att files?

File type specification:

Text file type icon Text file type

Various data file type icon Various data file type

File extension att is used for files that contain data from an online webpage javascript form, normally from an older or basic web input form which utilizes email through the browser.

Windows can usually open the file and/or it can be read and edited using a simple text software such as Notepad.

att files are in plain text file format and can be usually found as email attachments, such as postdata.att file.

Updated: April 19, 2024

The default software associated to open att file:

Giuseppe Buttafuoco logoPost Data Spider  Microsoft Windows software

Company or developer:
Giuseppe Buttafuoco

Post Data Spider is an older program used to decode data from attachments and online forms.

Help how to open:

The .att files can generally be opened in any text editor such as Notepad, or Notepad++.

How to convert:

Conversion to other formats is not possible.

List of 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).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting att files.

Software that open att file - Web Form Data

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

Microsoft Windows:

Main software associated with att file by default:
Post Data Spider
Other suggested software:
NotePad++ text editor small icon NotePad++ text editor
Microsoft Windows NotePad small icon Microsoft Windows NotePad
PSPad small icon PSPad
Sublime Text small icon Sublime Text

Apple macOS / Mac OS X:

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