⏳ Microsoft Project Online is gone. Your files are not.
Microsoft Project Online shut down on September 30, 2026, and if you have .mpp files you need to share or archive, you no longer have a licensed way to open them without a desktop copy of Microsoft Project. If your goal is to get a readable, shareable version of a project plan out of a .pub file, OpenAny can convert .pub to PDF for free right now.
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About .pub to PDF conversion
Can OpenAny open or convert .mpp files?
No. The .mpp format is a proprietary Microsoft Project binary format and OpenAny does not currently support it. To open an .mpp file without a Project licence, your best options are ProjectLibre (free, desktop, opens .mpp files), GanttProject (free, limited fidelity), or asking whoever created the file to export it as PDF or XML before their licence expires.
I have a .pub file related to my project — what can OpenAny do with it?
OpenAny can convert Microsoft Publisher (.pub) files to PDF for free, with no account required and files deleted within 60 seconds. This is useful if you have project-related Publisher documents — reports, timelines, or status sheets — that you need to preserve or share now that your organisation is losing access to Microsoft 365 tools.
What is the best way to preserve .mpp project data now that Project Online is gone?
If you still have a desktop copy of Microsoft Project (Project Standard or Professional), open each .mpp file and export it: use File → Export → Save Project as File and choose PDF for a visual snapshot, or XML for structured data you can import into other tools. If you have no licence at all, ProjectLibre can open most .mpp files and export to PDF or its own format.