Outlook 2007 Tools-> Trust Centre…-> Add-ins At the “Manage” dropdown list at the bottom select which type of addins you would like to enable/disable Press “Go…” and make the changes For some addins you’ll need to restart Outlook for changes to take effect. Previous versions of Outlook Tools-> Options-> tab Other-> button Advanced Settings… Press [...]

How do I increase the maximum file size of an UNICODE pst file? The default size is 20 GB but as far as I know there must be a registry value that allows to increase the maximum up to approximately 4TB? Yup, you can do this via the registry or via Group Policies. Note that [...]