ATT File Extension
Web Form Data Format
- File Type att
- Popularity
- Application Post Data Spider
- Category Text Files, Data Files
- Format Binary
What is a ATT file?
The ATT extension is used by Web Form Data Format and falls under the categories of Text Files and Data Files, covering 6511 files.
ATT files are supported by Windows, Mac OS and Linux. There are 7 programs available to open a ATT file, including popular tools like Post Data Spider, Atom and Sublime Text.
Programs that support ATT files
How to open a ATT file?
If you are having trouble opening a ATT file, it usually means the right software is not installed. Choose a program from the list that matches your operating system. Next, visit the official website of the developer, download the software, and install it on your device.
The most popular programs for working with ATT files are Post Data Spider, Atom and Sublime Text. To install the current version of Post Data Spider, go directly to the official Buttafuoco website. The universal package for all operating systems is available there.
After setup, the operating system should recognize ATT files and link them with Post Data Spider.
Setting Post Data Spider as default ATT viewer
Changing the default program in Windows
- Right-click on your ATT file and choose the "Open With" option. Then click "Choose another app" to continue the process;
- Choose Post Data Spider from the available applications listed in the pop-up window to set it as the default application to open your ATT file;
- Be sure to check the "Always use this app" checkbox, and then click "OK" to confirm your selection.
Change the default app for a file type in Mac
- Initiate a right click or use Control + left click on the desired ATT file to open a menu where you can select various actions;
- Select "Open in application" and click "Other";
- Scroll down to the bottom of the window, and there you will find the "Enable" menu. The default selection is "Recommended Programs";
- Choose "All Programs" within this menu and locate Post Data Spider. Check the box next to "Always open in app" to set it as the default program.
How to edit a ATT file?
To edit ATT files, you need to install specialized software that allows you not only to open but also to modify text files. Online ATT editors usually provide fewer features than software created specifically for Web Form Data Format.
Best ATT editors in 2026
Based on your described criteria, here is a list of available ATT editors.
| ATT Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| TextEdit | Apple | Mac OS | 4.8 out of 5 (40 reviews) |
| PSPad | Jan Fiala | Windows | 4.7 out of 5 (41 review) |
| Notepad++ | Notepad++ Team | Windows | 4.6 out of 5 (37 reviews) |
| Sublime Text | Sublime HQ Pty | Windows, Mac OS, Linux | 4.6 out of 5 (39 reviews) |
| Windows Notepad | Microsoft | Windows | 4.2 out of 5 (37 reviews) |
| Atom | - | Windows, Mac OS, Linux | 4.1 out of 5 (36 reviews) |
Tips and tricks to solve problems with ATT files
ATT files can sometimes be tricky, but minor software adjustments usually resolve the issues. Refer to the tips below for guidance.
Are there any symptoms that my ATT file is damaged?
Corrupted ATT text files may have one or more of the following symptoms:
- File hangs or crashes in Post Data Spider or other programs;
- Error dialogs are displayed when interacting with the file;
- The file does not open or opens with errors;
- Unexplained increase in ATT file size;
- Poor performance when editing a file in Atom;
Why does Post Data Spider crash or shut down frequently?
The absence of software updates can cause Post Data Spider to crash. It is recommended to install the latest available updates for Buttafuoco products.
Restarting your computer is an essential troubleshooting step that can resolve many common problems. It is recommended to restart your computer before making any changes to the software settings.
Is there any specific software or utility that can help repair a damaged ATT file?
Start a data recovery program and open the damaged ATT file. Go to the menu and select the "Repair" option to repair the file. Then wait for the recovery process to complete, which allows you to automatically repair corrupted text files.