ATN file: How can I open a .ATN file?
The table below provides useful information about the .atn file extension. It answers questions such as:
- What is the .atn file?
- What program do I need to open a .atn file?
- How can the .atn file be opened, edited or printed?
- How can I convert .atn files to another format?
We hope you find this page helpful and a valuable resource.
✅ Adobe Photoshop Actions Data

The ATN file is an Adobe Photoshop Actions Data. Adobe Photoshop is a graphics editor published by Adobe Systems. It is the market leader for commercial image manipulation.
✅ Daqarta Attenuator Calibration Data

The ATN file is a Daqarta Attenuator Calibration Data. Daqarta is a general-purpose Data AcQuisition And Real-Time Analysis system. Daqarta turns your Windows sound card into a precision laboratory instrument, loaded with advanced features.
✅ Visual FoxPro Internet Search Wizard Data

The ATN file is a Visual FoxPro Internet Search Wizard Data. Visual FoxPro is a data-centric object-oriented and procedural programming language produced by Microsoft. The Internet Search Wizard is a Visual FoxPro wizard that constructs an HTML document as its output.
⚠ Be careful with .atn files.
It's important to know that the .atn file extension can be used by various programs, not just the ones you expect. This includes potentially harmful software or malware that might create .atn files. Be cautious when dealing with .atn files from unknown sources.
🚫 The .atn file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 Can't open a .atn file?
When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:
Select an app to open this .atn file
It means that the operating system does not have a default app associated with the .atn file type. To resolve this issue and open the file, you can take the following steps:
- Right-click on the .atn file. A context menu will appear.
- From the context menu, select Open with. Windows will display a list of recommended apps.
- If the desired app is listed, select it from the provided options.
- If you cannot find the appropriate app, you may need to install software that supports the specific file type.
If you don't know how to change the default app for the .atn file, check the FAQ.
🔴 Can I change the extension of files?
Changing the filename extension of a file is not a good idea. The extension of a file serves as a hint to the operating system and various software programs about the type of data contained within the file. When you alter a file's extension, you essentially modify how software applications interpret and handle that file. Every file has a specific format, also known as its file type or file format. The problem is, changing the file extension does not change the file format.
If you have helpful information about the .atn file extension, write to us.