How do I Change the Close Date on a Request?

To an change the bid window on a request, you can do the following: 

Opened Requests: Select the request you want to update. Select Actions > Change Close Date to adjust the close date and time.  

Then adjust the Close Date and either Change and notify or Change without notification.

Closed Requests: Select the request you want to update. Select Actions > Reopen. 

Then adjust the Close Date and either Reopen and notify or Reopen without notification.