Using Undo

The Undo command (Edit, Undo) allows you to change information back to its pre-modified value in the Activities, Resources, and Resource Assignments windows. Undo stores each action performed in sequence, beginning with the most recent action performed. The following actions will clear the Undo history in P6 Professional:

Summarizing data
Updating Progress
Applying actuals
Refreshing data
Creating projects
Opening and closing projects
Importing
Changing portfolios
When connected to a P6 Professional database: Opening the Project Portfolios, User Preferences, and Admin Preferences dialog boxes

When connected to a P6 EPPM database: Opening the Project Portfolios and User Preferences dialog boxes

When connected to a P6 Professional database: Opening the OBS, User Defined Fields, Resource Codes, Project Codes, and Activity Codes dialog boxes

When connected to a P6 EPPM database: Opening the OBS, User Defined Fields, Resource Codes, and Activity Codes dialog boxes

Exiting the application
Note
- You can only undo modifications in the General, Status, Resources, and Relationships tabs of Activity Details.
- Scheduling, leveling, making layout changes, and opening a new layout do not clear the Undo history.
- You can only undo activity code value assignments that were assigned using the columns in the Activities window. Code values that are assigned and/or removed from the Codes tab cannot be undone.
- If you delete a resource and use Undo to restore it, you must reassign the resource to any previous project issues, risks, and expenses. Also, you must reassign the primary flag for the restored resource to its activity assignments.

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