Microsoft Project - Tracking - Update Project

Update Project 

If the project (or part of the project is going according to schedule then the tasks do not need to be updated individually.  The whole of the project (or part, if only some of the tasks are going to schedule) can be updated in one go.

Menu, Tools, Tracking, Update Project



Here the tasks can be updated up to a particular date.  The date that is entered automatically is the current date (as defined by the Project Information Dialog Box).  This date can be accepted or changed as required.

% complete options depend on whether the percentage values are of use or not.  The default option will show the percentages.