The following information is displayed on the Usage tab.
| Property | Description | 
|---|---|
| 
 Last login  | 
 Last time this mailbox was logged in to. This is determined during synchronization and cannot be edited.  | 
| 
 Last logout  | 
 Last time this mailbox was logged out of. This is determined during synchronization and cannot be edited.  | 
| 
 Last logged in user account  | 
 Name of the user account that was used for the last login. This data is determined through synchronization and cannot be edited manually.  | 
| 
 Storage limit status  | 
 Information about the current storage state with respect to the specified limits. This data is determined through synchronization and cannot be edited manually.  | 
| 
 Number of saved messages  | 
 Stored message count This data is determined through synchronization and cannot be edited manually.  | 
| 
 Associated items count  | 
 Number of associated elements in this mailbox. This is determined during synchronization and cannot be edited.  | 
| 
 Used disk space [byte]  | 
 Used disk space in bytes. This data is determined through synchronization and cannot be edited manually.  | 
| 
 Recoverable items count  | 
 Number of items in the Recoverable items folder. This data is determined through synchronization and cannot be edited manually.  | 
| 
 Size of recoverable items  | 
 Size of messages in the Recoverable items folder. This data is determined through synchronization and cannot be edited manually.  | 
| 
 Use default database values  | 
 Specifies whether the mailbox database limits are used. This data is determined through synchronization and cannot be edited manually. Option set: Mailbox database limits are in use. Option not set: Mailbox database limits are not in use.  | 
| 
 Max. recoverable items  | 
 Maximum number of messages allowed in a folder in the Recoverable items folder. This data is determined through synchronization and cannot be edited manually.  | 
| 
 Warn at [recoverable items]  | 
 Number of items a folder in the Recoverable items folder can contain before a warning is sent to the user. This data is determined through synchronization and cannot be edited manually.  | 
| 
 Keep deleted items [days]  | 
 Number of days the deleted objects (email message for example) remain on the server before being removed.  | 
| 
 Rules quota [KB]  | 
 Limit on the number of rules.  | 
| 
 Prohibit transfer at [KB]  | 
 Size of mailboxes in KB above which, sending, and receiving messages is prohibited.  | 
| 
 Prohibit send at [KB]  | 
 Size of mailboxes in KB above which, sending messages is prohibited. If this size is exceeded the user is sent a message that messages must be deleted in the archive mailbox. The user is not able to send more messages until the size of the mailbox has been reduced.  | 
| 
 Warn at [KB]  | 
 Maximum size in MB of the mailbox. If this size is exceeded the user is sent a warning that messages must be deleted in the archive mailbox.  |