The newer versions of GM will prompt you to Roll Over activities and such when you delete a user. However I don't remember when this feature came into use.
In older versions, you can do this manually with the "Roll Over" feature on the Activity List.
1. List the activities you'd like to roll over. If you want to roll all activities over, just view ALL activities for that user on the Activity list.
2. Right click the list and choose Options | Roll Over.
Follow the prompts.
Scottie Sharpe
GoldMine Consultant