The File Extensions Database

.ATT File Extension

  • Category: Web Files
  • Format: Binary

What is an .ATT file?

.ATT is Web Form Post Data File

File created by Web forms when users submit data in a Web browser; contains contents from a Web form that have been emailed to the designated recipient; attached to email messages with the filename postdata.att.

ATT files are commonly received via email when the form encoding type is incorrect. For example, the encoding type (enctype) may be "text" instead of "text/plain."

Programs that open Web Form Post Data File
Weaver Software PostData Spider
Microsoft Notepad
File Type 2 Alphacam Lathe Tool File
Developer by: Alphacam Category: CAD Files Format: Binary

File used by Alphacam, a program used to create woodworking designs; contains a lathe tool that is specified for a woodworking CAD design; used to store different kinds of lathes.

How to solve problems with ATT files

  • Associate the ATT file extension with the correct application. On :
    Windows: Right click on any ATT file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.ATT files". Mac: Right click (or Ctrl-click) the ATT file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .ATT is Web Form Post Data File. Because only the current version supports the latest ATT file format. Search, therefore, e.g. on the N/A manufacturer website after an available .ATT is Web Form Post Data File update.
  • To make sure that your ATT file is not corrupted or virus-infected, get the file again and scan it with antivirus software.