If you need to block out one-off vacation from your and your coworkers’ calendars, you can do as follows:

1. Open the calendar you will block the vacation time, and click Home > New Appointment to create a new appointment.

2. In the new appointment window, please (1) type the subject and location as you need, (2) specify the date range you will take a vacation in the Start time and End time boxes, and then (3) check the All day event option. See screenshot:

3. Go ahead to select Out of Office from Show As drop down list under Event tab. See screenshot:

4. Make other changes as you need, and click Event > Save & Close to save the event.

Now your vacation time will show as out of office in your and your coworkers’ Outlook calendar. When they sending meeting invitations or other requests to you, your vacation time is not available.

If you want to block a regular off time on every weekday from your and your coworkers’ Outlook calendars, such as lunch time, please do as follows:

1. Open the calendar you will block the lunch time, and click Home > New Appointment to create a new appointment.

2. In the new Appointment window, please type subject and location as you need.

3. Under the Appointment tab, please (1) select Out of Office from Show As drop down list, (2) select None from Reminder drop down list, and (3) click the Recurrence button. See screenshot:

4. In the Appointment Recurrence dialog box, please:
(1) In the Appointment time section, please specify the lunch time as you need;
(2) In the Recurrence pattern section, please check Daily and Every weekday options;
(3) In the Range of recurrence section, please specify the block date range as you need;
(4) Click the OK button. See screenshot:

5. Now you return to the appointment window, please make other changes as you need, and click Appointment > Save & Close.

From now on, your lunch time on every weekday will show as out of office.

Automatically block emails by subject / sender / domain / message content in Outlook

With Kutools for Outlook’s excellent Junk tools, you can easily junk all incoming emails by subjects, senders, sender domains, or message contents of selected emails, and move existing junk emails to the Junk E-mails folder in Outlook automatically. By the way, more complex junking rules and junking exceptions are supported.

Set permission for viewing Free/Busy information in Outlook

Show calendar as busy, free, tentative, and out of office