The Best MPP File Viewer & Editor

Plan with structure and control

Upload your MPP files into ProjectManager to plan, schedule and track projects, programs and portfolios online.

Create detailed project plans and schedules with online Gantt charts
Set task dependencies, due dates, milestones, project phases and more
Set project baselines and compare planned vs. actuals to keep projects on track
Use PPM dashboards and roadmaps to manage multiple projects in one place

Smarter project and resource scheduling

Open your MPP file in ProjectManager to allocate resources, track costs and balance your team’s workload.

Create resource-loaded project schedules
Monitor resource availability and reallocate resources with real-time workload charts
Set working days, hourly rates and holidays
Use cloud-based timesheets for accurate time and cost tracking

Track progress in real time

Stop chasing status updates. Open and edit your MPP files online with ProjectManager to get instant project visibility.

Use real-time dashboards and reports to keep stakeholders updated
See the amount of time your team spends on tasks
View variance between planned and actual progress
Identify delays and cost overruns before they become a threat to your project

From MPP File Editing to ROI:
What Customers Are Saying

“The implementation of ProjectManager, from day one, was the easiest implementation I’ve ever dealt with. That includes Oracle, Microsoft, Adobe, pick a name.”

Mark Klady
Director of Operations at Lightenco

“We can manage all our projects in one place. ProjectManager gives me more control while freeing up my time and my team’s time. We don’t have to use multiple software anymore.”

Yosef Ben Gershom
Operations Manager at Hawaii Space Flight Laboratory

“ProjectManager gave us more visibility. We’re able to track work from start to finish. Bottom line: ProjectManager saves us money.”

Dan McKay
Director at Metalmorphic Laser

Start your free 30-day trial

Frequently Asked Questions

What Is an MPP File?

An MPP file is the file extension native to Microsoft Project, which means you must have a Microsoft Project license to open, view and edit an MPP file or specialized project management software like ProjectManager.

Is ProjectManager an MPP Viewer?

Yes, ProjectManager works as an MPP viewer because it allows users to open Microsoft Project files online. However, ProjectManager is more than just an MPP viewer. It’s advanced project management software with Gantt charts, kanban boards, online timesheets and real-time project dashboards and reports.

Is the trial free and do I need a credit card?

We offer a 30‑day free trial. No credit card required.

How long will implementation take?

Most teams are live in a day. Import MPP/Excel plans, use our pre-built templates, and invite your team. Access our free on-demand academy and live group training sessions. Need something more tailored? Private training is available for purchase.

Can we manage resources across multiple projects?

Yes. Portfolio‑level workload heatmaps, capacity and utilization forecasts, role/skill calendars, and drag‑to‑rebalance assignments.

Do you support MS Project (import, baselines, critical path)?

Yes. Import/export .MPP with dependencies, constraints, baselines and resource assignments intact. Critical path and variance tracking are built in.

Will our Security or IT approve ProjectManager?

We’re SOC 2 compliant and support SSO/SAML, role‑based permissions, and audit logs.

A note from our CEO

You manage multiple projects. Deadlines shift, scope changes, but stakeholders still expect accurate updates.

ProjectManager solves that.

Know what’s happening and what’s at risk. Use baselines, find the critical path, and use workload heatmaps to keep every resource and project on track… while keeping your stakeholders informed.

If that’s the level of project management you need, start a 30-day free trial or book a demo. We’ll show you how to get there.

image of ProjectManager.com CEO Kevin Riegelsberger

Kevin Riegelsberger
CEO, ProjectManager