Guide to Repairing Corrupted Microsoft Project (.mpp) Files

Microsoft Project is part of the Microsoft Office suite and has a file format of .mpp. Sometimes, you may not be able to open the .mpp file because of a corrupt Microsoft Project file. don’t worry! This article will guide you in repairing corrupt Microsoft Project files and let you recover your work.

Microsoft Project file corrupted

Microsoft Project aims to help project managers create schedules, manage budgets, allocate task resources, and analyze workloads. Some users may encounter the problem that Microsoft Project cannot open corrupt files. Corrupted project files are a headache, but you can easily fix them by the methods described in this article.

Suggestions: Create a scheduled backup using MiniTool ShadowMaker

Data loss or corruption can occur at any time, so it is crucial to create a planned backup of important files in your daily life. With a backup image, you can recover files immediately without affecting your workflow.

Speaking of backups, you can try using the free PC backup software MiniTool ShadowMaker. This tool is very easy to use. Backup and restore files, folders, partitions, systems, and even entire disks with just a few clicks. Here is how to use it to back up files:

Step 1. Start MiniTool ShadowMaker.

Step 2. On the Backup page, go to Source > Folders and Files, and select the content you want to back up.

Step 3. Go to Target to select the backup storage path.

Step 4. To create a backup plan, click Options > manually enable Plan Settings > Set specific points in the day, week, or month according to your needs.

Step 5. Click "Back Up Now" to start the process immediately.

How to recover corrupt MS Project files on Windows 10/11?

Method 1: Save the corrupted MS Project file into XML format

When a Microsoft Project file is corrupted, you can save it in XML file format first and then convert it to MPP format. Please follow these steps:

Step 1. Open a blank project file and turn off automatic calculation.

Step 2. Select the corrupt MS file > Click "File" > "Save As" > Select "XML Format" > "Save" in the "Save Type" drop-down menu.

Step 3. Close Microsoft Project and reopen it. Click "File" and then click "Open".

Step 4. Select "XML Format" from the drop-down menu and click the "Open" button.

Step 5. Save this file as a Project (.MPP) file.

Method 2: Insert subproject file in a blank file

To fix a corrupt MS Project file, a good way is to open it as a subproject of another file. Doing so you can access critical data without having to open corrupt files directly. The operation steps are as follows:

Step 1. Open a new Microsoft Project file and select the first line.

Step 2. Click Project > Subproject > Locate and select the MPP file you want to insert into the blank MS Project file.

Step 3. Uncheck Link to Project, expand the Insert drop-down menu, and select Insert Read-Only.

Step 4. Expand the schedule to check whether all tasks were imported.

Step 5. Finally, delete the first line and rename the edited file.

Method 3: Find the previous backup version

If the current Microsoft Project file is corrupted, you may consider looking for a previous backup version. Here is how to check if there are such a fallback option available:

Step 1. Press Win E to open File Explorer .

Step 2. Locate your MPP file , right-click it and select "Properties".

Step 3. In the Previous Versions tab, select the previous version that is available and click Restore.

Step 4. Start the previous version of the MPP file to see if it is intact.

Method 4: Repair Microsoft Office installation

The Microsoft Project file may be corrupted due to the lack of necessary components or features. Fortunately, Microsoft Office comes with two types of repair tools to fix the problem with this program. Here is how to operate:

Step 1. Open Windows Settings and go to Apps .

Step 2. In the Apps and Features section, scroll down to find Microsoft Office > Click it > Select Modify .

Step 3. Select the repair method according to your needs and click the "Repair" button to start the process.

Conclusion

This is all you can do when you repair a corrupt Microsoft Project file on Windows 10/11. At the same time, we also introduced a powerful tool, MiniTool ShadowMaker, to ensure your data is secure. Have a happy time!

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