To assign the same Project to multiple users at a time

  • Go to the Assignment tab in Salesforce
  • Click the New Assignment button
  • In the New Assignment pop up, select the Start Date and Time and the End Date and Time
  • Select the Project from the Project list
  • Select the users from the Assign to Users drop down and
  • Click the Submit button
  • Now the Project is assigned to multiple users (the users that you selected in the Assign to User field).