Command line Outlook Calendar Checking Tool. CalCheck opens the default Calendar and checks the items in the calendar for known problems, and for certain logic problems, etc.

Usage:
CalCheck [-P <profilename>] [-M <mailboxname>] [-S <servername>] [-A]

-P Profile name (if absent, will prompt for profile)
-M Mailbox DN (if specified, only process the mailbox specified)
-S Server name (process entire server unless mailbox is specified)
-A All calendar items output to CALCHECK.CSV
-V Verbose output to the command window
-? Print this message

The license of this software is Free, you can free download and free use this outlook add-ons software.