When a recovery point is in the Ready state, you can extend its expiry date from the Command Center.
From the navigation pane, go to Protect > Applications > Exchange.
The Exchange page appears.
Click an Exchange database.
The Exchange Database page appears.
In the Subclient section, click a subclient that contains the recovery points that you want to delete.
The subclient page appears.
Click Restore messages.
The Restore messages page appears.
In the Actions column of the recovery point that you want to extend, click the action button , and then click Extend.
The Extend calendar appears.
Select a new expiry date, and then click OK.