You may access the MPP files stored on iCloud Drive, enabling distributed teams to work in an efficient way.
To access a project plan from iCloud you first need to select iCloud Drive form File->Open menu.
The process is quite straightforward: all you have to do is to browse for the iCloud Drive location where the mpp file resides and then select the file you want to open.
Choose the desired mpp file from a recent folder or by using the browse facility. Click the project you want, and then click Open.
As an alternative, you may open in a similar way a project file that resides on a network folder.