Below is a comprehensive review based on the realistic expectations of users looking for this functionality, analyzing the technical feasibility, security risks, and the official alternatives.

Microsoft has transitioned many of its web-based project features into Microsoft Planner . It is cloud-based, meaning you can access your project boards from any web browser without an installation.

: Real-time co-authoring allows multiple team members to update tasks simultaneously.

: Often cited as the top free alternative, it is highly compatible with .mpp files and can be used as a standalone desktop application.