SharePoint Document Issues

Fix Microsoft Project Master Projects Not Working in Teams and SharePoint

Emma Brown Oct 15, 2026 870 views

Question details

The user is trying to determine how to successfully use Microsoft Project master projects and linked subprojects within Microsoft Teams, or find a functional alternative to update a master tracker.

Fix Microsoft Project Master Projects Not Working in Teams and SharePoint

Product: Microsoft Project, Microsoft Teams, SharePoint
Device & OS: not provided
Scenario: Attempting to collaborate on project management files by storing linked master project files and subprojects in a Microsoft Teams channel or SharePoint document library.
Observed behavior: Master projects and subprojects fail to function correctly or sync when stored in SharePoint or Teams because these platforms do not support linked .mpp files.

Before you start

Before attempting to re-link your Microsoft Project files, understand that Microsoft Teams uses SharePoint for file storage, which natively lacks the OLE link support required for Project master files to communicate with subprojects.

Solution 1Recommended

Migrate Files to a Shared Network Folder

Since SharePoint does not support linked MPP files, the most reliable method for using master projects and subprojects is to store them on a traditional shared network drive.

Microsoft Project relies on absolute and relative file paths to maintain links between master projects and subprojects. SharePoint and Teams use URL-based storage protocols that break these file dependencies, meaning changes made by team members will not roll up into the master tracker.

Identify a network drive

Locate or request a shared network folder (e.g., an on-premise file server or a mapped VPN drive) that all project managers and team members can access.

Move project files

Transfer your master project file and all associated subproject (.mpp) files out of Microsoft Teams and into this shared network folder.

Re-establish project links

Open the master project in Microsoft Project from the network drive, remove the broken subprojects, and re-insert them using the new network path to restore automatic updates.

Migrate Files to a Shared Network Folder

Access Requirements: Ensure all users have Read/Write permissions to the shared network folder, otherwise, subproject updates will fail to save.

Solution 2

Transition to Project for the Web or Dedicated Trackers

If collaboration within Microsoft Teams is mandatory, you should switch to cloud-native project management tools that integrate directly with SharePoint.

Free Microsoft Office alternative

Create Collaborative Project Trackers with WPS Office

When complex Microsoft Project files fail to sync in cloud environments, many teams switch to spreadsheet-based project trackers. WPS Office provides a lightweight, highly compatible alternative for creating functional project management sheets that can easily be shared and updated across teams.

1. Install WPS Office: Download and install the free WPS Office suite on your device.
2. Choose a Project Template: Open WPS Spreadsheet and select from a variety of built-in Gantt chart and project tracking templates.
3. Collaborate and Share: Save your project tracker in standard .xlsx format and easily share it with your team for continuous updates.

Fully compatible with Microsoft Excel (.xlsx) formats for seamless file sharing.Lightweight and fast, making it ideal for managing large project tracking sheets.Built-in robust collaboration tools to keep remote teams aligned.Free alternative to expensive, complex project management software.

microsoft office alternative - wps office

Frequently Asked Questions

Why do my Microsoft Project subprojects not update in Teams?

Microsoft Teams uses SharePoint for its underlying file storage. SharePoint does not support the OLE (Object Linking and Embedding) links that Microsoft Project uses to synchronize data between master projects and subprojects.

Can I view an MPP file directly in Microsoft Teams?

No, Microsoft Teams does not feature a native viewer for .mpp files. Users must download the file locally and open it using the Microsoft Project desktop application to view its contents.

What is the best way to share Project files with a remote team?

For linked master and subprojects, utilizing a shared network drive accessible via VPN is the most reliable method. For standalone project files without linked sub-trackers, storing them in SharePoint or Teams works perfectly fine for version control.

Document & File Issues