XSN File Extension

InfoPath Form Template Format

File Type xsn
Developer Microsoft
Popularity
4.4 (38 votes)
Application Microsoft InfoPath
Category Data Files, Document Files
Format Binary

What is a XSN file?

InfoPath Form Template Format files, recognized by the XSN extension, fall into the Data Files and Document Files categories, amounting to 7165 files.

The InfoPath Form Template Format (XSN) was created by Microsoft, a company that developed file format and produced 242 programs for their use.

XSN files are supported by Windows. If you need to open a XSN file, you can use one of 2 programs, such as Microsoft InfoPath and Microsoft Office.

File Signature

HEX code: 4D 53 43 46 00 00 00 00. ASCII code: MSCF.

Programs that support XSN files

Windows ²

Windows

How to open a XSN file?

If you’re having difficulty opening a XSN file, it is often due to not having the correct software. To solve the problem, choose a compatible program from the list. Then follow the link to the official developer site, download the software, and install it on your device.

Microsoft InfoPath and Microsoft Office stand out as the preferred programs to manage XSN files effectively. To install the latest version of Microsoft InfoPath on your computer, visit the Microsoft website where you can download the version available for all operating systems.

After installation, your operating system should automatically open XSN files with Microsoft InfoPath.

Set Microsoft InfoPath as the default XSN handler

Choose an app to open a file on Mac

Right click or use Control + left click on the desired XSN file to launch the file options menu;
Choose "Open in Application" and click "Other";
Next, at the bottom of the window, you will see the "Enable" menu, in which "Recommended Programs" is selected by default;
In this menu, select "All Programs", then find Microsoft InfoPath and check the box next to "Always open in the application."

Set default programs for Windows

Start by right-clicking on your XSN file, then select "Open With" and continue by clicking "Choose another app" from the options provided;
In the pop-up window, find and select the Microsoft InfoPath application from the available options;
Make sure the "Always use this app" checkbox is checked and click "OK" to confirm your choice as the default app for opening XSN files.

Convert files to and from XSN

If you have trouble working with a XSN file, try converting it to PDF or similar data files.

Be aware that converting a XSN file may reduce some features, but you can usually revert it to the original format.

Convert XSN to other file formats

XSN to PDF

Effective solutions for XSN file problems

There are some common issues with XSN files that can be resolved easily by making minor adjustments to your software. Below, you’ll find these issues along with practical troubleshooting tips.

What are the methods to detect if my XSN file has been corrupted?

XSN data files that have become corrupted may display one or more of the following symptoms:

An unexplained increase in the size of the XSN file;
Trying to work with the archive in Microsoft InfoPath or other programs causes instability or program crashes;
The file does not open correctly or displays error messages;
While working with the file, error alerts are encountered;
The file exhibits poor performance during editing operations in Microsoft InfoPath;

Why does Microsoft InfoPath crash?

Insufficient software updates can contribute to Microsoft InfoPath crash. To avoid this, make sure that you have installed the latest updates for Microsoft products.

Restarting your computer can resolve numerous common problems, so it should be the initial step before changing any software-related settings.

How to repair a corrupted XSN file?

Open the damaged XSN file in a recovery program and select the "Repair" menu item to start the repair operation. Please wait patiently for the recovery process to finish as it will automatically repair the damaged data files.

How to edit a XSN file?

To make changes to XSN files, you need specialized software that allows both opening and editing the data files. Online XSN editors offer fewer capabilities than applications optimized for InfoPath Form Template Format.

Best XSN editors 2026

Based on these criteria, we have prepared a list of available XSN editors.

XSN Editor Software	Developer	Platforms	Overall Rating
Microsoft InfoPath	Microsoft	Windows	4.2 out of 5 (41 review)

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