Detailed Description for the .att File Extension

Research shows that there are five different file types that use the .att file extension. These file types are:

File Type #1 – Web Form Post Data File

These .att files come under the category of web files and are created by Web forms when you submit data through a web browser, such as Internet Explorer. Typically, an .att file is received by the user as an email attachment and the file contains the result from a Web form. The name of the file is postdata.att.

Names of the programs that can open Web Form Post Data Files (postdata.att file) in Windows

  • Microsoft Notepad
  • Any other text editor
  • Weaver Software PostData Spider

How to view Web Form Post Data Files (postdata.att file)

Postdata.att files store data as ASCII text with some strange characters between the various data fields. To open a postdata.att file, right-click it and select Open With. Next, from the list of programs select Notepad and then click OK.

Alternatively, you may use tools, such as PostData Spider to view the contents of a postdata.att file.

Files with the .att extension are similar to .csv files, meaning that you can open an .att file using programs that open .csv files by simply changing the file extension to .csv.

File Type #2 – Alphacam Lathe Tooth File

These .att files come under the category of data files. Alphacam is a program that is used for creating woodworking designs.

The .att file extension is also associated with the following file types:

  • File Type #3 – ZipLip Secure E-mail
  • File Type #4 – SeeYou WayPoint File
  • File Type #5 – AT&T Group 4 Bitmap Graphics File

At times, you may find that you are unable to open an .att file even when the correct program is installed on your Windows computer. This behavior is reported when either the .att file you are trying to access is corrupt or some file openers on your Windows computer are damaged. Whatever the cause, you may use a reliable file extension repair program to access the desired file. Such programs are adept in handling issues related to corrupt files or damaged file openers.