You can suppress the Check In dialog in Vault Office.
The following dialog boxes can be suppressed:
Each dialog has settings associated with it. You can specify default values for these dialogs and choose whether or not the dialogs actively prompt you while working with files in a vault.
Change Suppression Settings for the Check-in Dialog Box
When suppressing the Check In dialog box, you can specify how the corresponding vault operation affects the related files. The Check In operation is performed using the specified settings without prompting you.
Change Suppression Settings for the Check-in Dialog Box When Closing a File
When suppressing the Check In dialog box, you can specify how the corresponding vault operation affects the related files. The Check In operation is performed using the specified settings without prompting you.