Within Media Manager, you have the ability to import a list of users from a single file. The file format can be .xls, .xlsx or .csv.
The following fields will be recognized on upload but not all fields need to be populated:
Manager's User ID
From Media Manager, select Users and Import Users
You will then be able to choose the file you wish to import from your finder.
You are now able to configure the import by selecting the fields that correspond to your file headers. The screen displays the number of records to be imported. You can choose to send an invite email, then Complete Import.