Retention policies are managed in the Metalogix Archive Manager console. To change a policy perform the following:
1. On the View menu click Manager.
2. Click on the Retention tab.
3. Double click on a retention name that you wish to adjust
4. Make an appropriate changes
NOTE: This change will ONLY affect emails that will be archived from the time of the change going on; it will not affect already archived emails. Changing retention on items which have already been archived must be done using a retention change request in ArchiveWeb.