MSPDI File Extension

MSPDI file icon

Microsoft Project XML data interchange

What is a MSPDI file?

The MSPDI file extension is linked to Microsoft Project XML data interchange and belongs to the Data Files category, which includes 6196 files.

MSPDI files are supported by Windows, Linux and Mac OS. There are 2 programs available to open a MSPDI file, including popular tools like Microsoft Project and GanttProject.

How to open a MSPDI file?

If you are having trouble opening a MSPDI 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 MSPDI files are Microsoft Project and GanttProject. To install the current version of Microsoft Project, go directly to the official Microsoft website. The universal package for all operating systems is available there.

After setup, the operating system should recognize MSPDI files and link them with Microsoft Project.

Setting Microsoft Project as default MSPDI viewer

Changing the default program in Windows

  1. Right-click on your MSPDI file and choose the "Open With" option. Then click "Choose another app" to continue the process;
  2. Choose Microsoft Project from the available applications listed in the pop-up window to set it as the default application to open your MSPDI file;
  3. 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

  1. Initiate a right click or use Control + left click on the desired MSPDI file to open a menu where you can select various actions;
  2. Select "Open in application" and click "Other";
  3. Scroll down to the bottom of the window, and there you will find the "Enable" menu. The default selection is "Recommended Programs";
  4. Choose "All Programs" within this menu and locate Microsoft Project. Check the box next to "Always open in app" to set it as the default program.

How to edit a MSPDI file?

To edit MSPDI files, you need to install specialized software that allows you not only to open but also to modify data files. Online MSPDI editors usually provide fewer features than software created specifically for Microsoft Project XML data interchange.

Best MSPDI editors in 2026

Based on your described criteria, here is a list of available MSPDI editors.

MSPDI Editor SoftwareDeveloperPlatformsOverall Rating
Microsoft ProjectMicrosoftWindows4.8 out of 5 (38 reviews)

Tips and tricks to solve problems with MSPDI files

MSPDI 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 MSPDI file is damaged?

Corrupted MSPDI data files may have one or more of the following symptoms:

  • File hangs or crashes in Microsoft Project or other programs;
  • Error dialogs are displayed when interacting with the file;
  • The file does not open or opens with errors;
  • Unexplained increase in MSPDI file size;
  • Poor performance when editing a file in Microsoft Project;

Why does Microsoft Project crash or shut down frequently?

The absence of software updates can cause Microsoft Project to crash. It is recommended to install the latest available updates for Microsoft 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 MSPDI file?

Start a data recovery program and open the damaged MSPDI 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 data files.