STRUCT File Extension

Microsoft XPS Document Structure
- File Type struct
- Developer Microsoft Corporation
- Popularity
- Application Notepad++
- Category Settings Files
What is a STRUCT file?
The STRUCT file extension is linked to Microsoft XPS Document Structure and belongs to the Settings Files category, which includes 1190 files.
With the creation of the Microsoft XPS Document Structure (STRUCT), Microsoft introduced file format along with 242 programs built for their use.
STRUCT files are compatible with various operating systems, including Mac OS, Windows and Linux. You can open a STRUCT file using one of 6 programs, for example TextEdit, Notepad++ and Sublime Text.
Programs that support STRUCT files
How to open a STRUCT file?
The most common reason why a STRUCT file cannot be opened is the absence of required software. To fix this, select a compatible program from the list. Then visit the official developer website via the provided link, download the program, and install it on your system.
TextEdit, Notepad++ and Sublime Text are recognized as the most popular software solutions for dealing with STRUCT files. To install the most up-to-date edition of Notepad++, visit the official Notepad++ Team website. You can download the build that works across all operating systems.
After completing the installation, STRUCT files should be recognized by the system and linked to Notepad++.
Set Notepad++ as the default STRUCT program
Setting a default program by file type in Windows
- Start by right-clicking on your STRUCT file and selecting the "Open With" option. From there, click "Choose another app" to continue;
- In the pop-up window, select the Notepad++ application;
- Check the "Always use this application" checkbox, and then click "OK" to apply the selected application as the default for opening STRUCT files.
Change Default Program on Mac
- Right click or Control + left click on the desired STRUCT file;
- Select "Open in application" and click "Other";
- In the lower section of the window, you’ll find the "Enable" menu, with "Recommended Programs" pre-selected as the default option;
- Select "All Programs" in this menu, and then search for Notepad++. Check the box next to "Always open in app" to make sure it’s the default option.
How to edit a STRUCT file?
Editing STRUCT files requires installing professional software that lets you open and edit settings files. Online editors have more limitations compared to dedicated Microsoft XPS Document Structure programs.
Best STRUCT editors in 2026
Taking the above factors into account, we have selected a list of STRUCT editors currently available.
| STRUCT Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| TextEdit | Apple | Mac OS | 4.8 out of 5 (40 reviews) |
| Gedit | GNOME | Linux | 4.6 out of 5 (38 reviews) |
| 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) |
Solve problems with STRUCT files
While STRUCT files can sometimes present difficulties, most problems can be resolved quickly with minor software modifications. Check the tips below to help solve them.
Are there any techniques or tools available to repair a damaged STRUCT file?
Use a recovery program to open the damaged STRUCT file and navigate to the "Repair" menu item. Then wait for the recovery process to complete, which allows you to automatically repair corrupted settings files.
What are the signs that my STRUCT file is damaged?
Corrupted STRUCT settings files may show the following signs:
- Editing the archive in Windows Notepad is accompanied by slow performance or delays;
- File hangs or crashes in Notepad++ or other programs;
- The file does not open or opens with errors;
- Unexplained increase in STRUCT file size;
- Working with the file triggers the display of error messages;
What factors contribute to Notepad++ crash?
Notepad++ crashes can be attributed to outdated software. Make sure you have installed the latest updates for Notepad++ Team products.
Restarting your computer will solve many common problems, which is why it’s the first thing you should do before changing any settings related to the software.









