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To show time as Busy on your Outlook calendar, set that calendar item’s availability to Busy and save it. Outlook calls the control Show As in classic Outlook and Show as in Outlook on the web; in new Outlook for Windows, you can right-click an item and use Show As.

An appointment is for your own calendar; a meeting includes invitees. Busy affects the availability others use when scheduling, while calendar-sharing permissions determine whether they can see event details.

Set an existing item to Busy

New Outlook for Windows

  1. Open Calendar and find the item.
  2. Right-click the item and point to Show As.
  3. Select Busy.

If these steps do not match your screen, check whether you are using new or classic Outlook. In classic Outlook, use the ribbon instructions below.

Classic Outlook for Windows

  1. Open the appointment, meeting, or event.
  2. On the ribbon, open Show As and select Busy.
  3. Select Save & Close for an appointment or event. For a meeting you organized, select Send Update to notify invitees.

Microsoft Support says that “Meetings and appointments automatically show as busy on your calendar.” The documented status choices in classic Outlook are Free, Working Elsewhere, Tentative, Busy, and Out of Office [Microsoft Support].

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Outlook on the web

  1. Open Calendar and select New event, or select an open time slot.
  2. Enter a title, start time, and duration.
  3. In the Show as list, select Busy.
  4. Select Save. Add attendees in the event form if you want to send it as a meeting.

Create a new Busy item

Classic Outlook

  1. Open Calendar and select New Appointment.
  2. Enter a subject and start and end times.
  3. In the Options group, open Show As and choose Busy.
  4. Select Save & Close. Add attendees if you want to make it a meeting, then send the invitation or update as prompted.

Outlook on the web

  1. In Calendar, select New event or an open time slot.
  2. Enter the event details.
  3. Choose Busy from Show as.
  4. Select Save.

Choose the right availability status

Choose a status based on what you want others to understand. Labels can vary by Outlook version; web guidance uses Away where classic Outlook uses Out of Office.

Status What it signals
Free The time remains available.
Tentative The time is not yet firmly committed.
Busy The time is occupied for scheduling.
Working Elsewhere You are working away from your usual location.
Out of Office or Away You are absent.

Use Busy for an ordinary blocked period and Out of Office for an absence when that distinction is useful. Microsoft Support notes that new all-day events in classic Outlook default to Free, while meetings and appointments default to Busy. Check the status field rather than assuming an all-day event blocks your time [Microsoft Support].

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Meetings, attendees, and visibility

A meeting includes invitees, unlike an appointment for yourself. If you organize a meeting in classic Outlook and change its status, send an update. However, an organizer’s change does not necessarily override a status an attendee already chose for that meeting on their own calendar.

Busy is an availability status, not a privacy setting. What others can see depends on calendar-sharing permissions. For example, Microsoft’s Can view when I’m busy permission lets someone see busy periods without details such as event location [Microsoft Support].

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FAQ

Does an all-day Outlook event automatically show as Busy?

Not always. Microsoft says new all-day events in classic Outlook default to Free. Open the event’s Show As setting and select the status you want; choose Out of Office for an absence when appropriate.

Does setting an event to Busy hide its details?

No. Busy controls availability, not privacy. Calendar-sharing permissions determine whether someone can see only your free/busy status or more event details.

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Will changing a meeting to Busy update every attendee’s calendar?

Send an update if you organized the meeting, but attendees control the status of their own calendar copies. An organizer’s change may not override an attendee’s existing status choice.

Why does my all-day event still show as Free?

New all-day events in classic Outlook default to Free. Edit the item, open Show As, and select Busy or Out of Office, depending on whether you are blocking time or marking an absence.

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