If you've lost or can't find your product key, don't worry. Here are a few ways to retrieve it:
The latest one-time purchase "perpetual" versions. microsoft office project 2007 product key
Websites like or DiscountMountainSoftware sometimes buy up old retail inventory. Look for "Physical shipment" (a sealed CD with a COA). Avoid "digital delivery only" unless the seller is highly reputable. If you've lost or can't find your product key, don't worry
: If purchased directly from Microsoft, you can sign in to your Microsoft Account and check your order history. Important Support Information Look for "Physical shipment" (a sealed CD with a COA)
| Tool | Cost | Compatibility with Project 2007 | Best For | | :--- | :--- | :--- | :--- | | | Free (Open Source) | Opens and saves .mpp files (limited support for advanced macros). | Individuals who just need to read old .MPP files. | | GanttProject | Free | Imports .mpp files; exports to HTML/PDF. | Simple Gantt charts without Microsoft bloat. | | Microsoft Project Plan 1 (Web) | ~$10/user/month | Cannot open .MPP files natively (requires migration). | Teams that want modern collaboration. | | Office 365 (Desktop) with Project Online | Subscription via Microsoft | Yes, the latest Project Professional 2021 can open and edit 2007 files. | Businesses with legacy .MPP archives. |