The Post status cannot be edited for Sales Orders. This can only be edited for Back Office Payments. To edit a back office payment post status: 
  1. Click Revenue > Click Transaction Search
  2. Search for the payment and select the payment
  3. In the Tasks menu, click Edit Payment.
Note: If you do not see Edit Payment, verify that this was a back office payment.
  1. On the Transaction Details tab, select the Post Status drop down menu
  2. Select Do Not Post
  3. Click Save
Note: To perform the above steps you will need to make sure you have one of the following roles: Accounting Manager, Annual Fund Manager, Development Data Entry, Director of Development, Event Manager, Membership Manager, or Treasury Data Entry.