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How to Update an Existing Project for the Web with a New MPP File

Huda Qurayshi Oct 16, 2026 869 views

Question details

The user wants to update an existing Project for the Web project by replacing its data with a new or updated MPP file.

How to Update an Existing Project for the Web with a New MPP File

Product: Microsoft Project for the Web
Device & OS: not provided
Scenario: Attempting to import an updated Microsoft Project Desktop (.mpp) file into an already existing project workspace on the web.
Observed behavior: Project for the web does not currently offer a built-in option to overwrite or replace an existing project's file with a new MPP file.

Before you start

Make sure your updated MPP file is saved locally and note that importing it will create a brand-new project instance rather than updating the current one.

Solution 1Recommended

Create a New Project and Import the MPP File

Since direct replacement is not supported, you must create a new project workspace and import your updated desktop file.

Microsoft Project for the web currently lacks a direct 'update' or 'overwrite' feature for existing projects. To view your updated MPP file data on the web, the officially supported workaround is to initiate a new import process.

After successfully importing the new file, you can choose to archive or delete the old project workspace to prevent confusion.

Open Project Home

Navigate to your Microsoft Project for the web dashboard.

Start a New Import

Click on the 'New blank project' dropdown or the 'Create' button, and select 'Import from Project desktop'.

Upload the Updated MPP File

Browse your local computer for the updated .mpp file, select it, and complete the upload process.

Manage Old Projects

Locate your outdated project from the Project Home screen, click the more options menu (three dots), and delete it if it is no longer needed.

Create a New Project and Import the MPP File

Submit Feature Feedback: If you would like Microsoft to add a direct update feature, you can submit your request through the official Project feedback portal.

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Frequently Asked Questions

Can I merge a new MPP file into an existing web project?

No. Project for the web does not currently support merging or updating an existing web project with a new desktop MPP file. You must import it as a new project.

Will importing the MPP file affect my original desktop file?

No, importing an MPP file into Project for the web only copies the data to the web platform. Your original desktop file remains safely on your computer.

How do I request the overwrite feature from Microsoft?

You can request this functionality by visiting the Microsoft Project feedback portal and submitting a feature request or upvoting an existing one.

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