Setting an Out of Office Reply If you are going to be out of your office for any extended period of time (a full day or more) you can set up an automatic reply for your employee email account. This process can be done through the Office 365 online mail application, and will apply to your account no matter what application you use to access your email. Setting Your Out-of-Office Reply in Office 365 Online Log into the Office 365 portal at https://portal.office.com using your full email address (@brant.ca) and password. Click on the Mail icon. Click on the Settings icon in the upper right hand corner. Select Automatic Replies and fill out the form. Click on Ok once the form is complete. NOTE: For security reasons, It is not recommended to let people know you are "on vacation."