Use the Schedule dialog box to specify your scheduling preferences and/or schedule the open project.
Project(s) to schedule: The number of projects to be scheduled.
All projects use their own data date: Select this option to have each project scheduled according to the current data date specified for the project.
Apply selected data date to all opened projects: Select this option to schedule all open projects with the same data date. Click 
to select a data date to apply.
Earliest Project Forecast Start Date: Lists the earliest project forecast start date of all open projects. A forecast start date is shown if you manually changed the start date of a project by dragging the project bar to a new timeframe in Tracking layouts.
Set Data Date and Project Planned Start to Project Forecast Start during scheduling: Mark this checkbox to use the forecast date instead of the project's planned date and current data date when scheduling the projects.
Log to file: Mark to record your scheduling results in a log file. Enter a filename and location for the log file. Click to specify a new filename and location. Specify whether the log file should be generated as HTML.Specify whether the log should overwrite any existing file with the name and location selected, or add the log to the end of the existing file. You cannot add the log to the end of the existing file if you choose to generate the file as HTML.
Cancel: Ends the action without saving changes.
Schedule: Schedules the open projects according to the options you specify.
View Log: Displays your scheduling results.
Help: Opens P6 Professional Help for this dialog box.
Options: Opens the Schedule Options dialog box in which you can specify general and advanced scheduling options.