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

The XSN file is an Microsoft InfoPath Form Template. An InfoPath XSN file is really a CAB file. Microsoft Office InfoPath is an application used to develop XML-based data entry forms, first released as part of the Microsoft Office 2003 suite.
✅ xyAlgebra Data

The XSN file is an xyAlgebra Data. xyAlgebra is a free math tutor application designed to help students learn algebra.
✅ XSENSOR Software Session Data

The XSN file is an XSENSOR Software Session Data. XSENSOR is a manufacturer of flexible sensors offering multiple sensors including body pressure sensors, high accuracy, high, low & large pressure sensors, high-speed tire, impact sensors, etc.
⚠ Be careful with .xsn files.
It's important to know that the .xsn file extension can be used by various programs, not just the ones you expect. This includes potentially harmful software or malware that might create .xsn files. Be cautious when dealing with .xsn files from unknown sources.
🚫 The .xsn 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 .xsn 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 .xsn file
It means that the operating system does not have a default app associated with the .xsn file type. To resolve this issue and open the file, you can take the following steps:
- Right-click on the .xsn 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 .xsn 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 .xsn file extension, write to us.