Change the default time zone for all calendars in Outlook

Change the time zone for certain appointment or meeting in Outlook

This method will walk you through changing the default time zone for all calendars in your Microsoft Outlook. Please do as follows:

1. Click File > Options.

2. In the opening Outlook Options dialog box, please click Calendar in the left bar, go to the Time zones section and select a time zone from the Time zone drop down list. See screenshot:

3. Click the OK button.

And now the time zone has been changed to the new specified one for all calendars already.

Note: This method will change the default time zone configured in Windows.

Apart from changing the default time zone for all calendars, you can also change the time zone for a certain appointment or meeting in Outlook.

1. Create a new appointment/meeting or open an existing appointment/meeting.

2. Click Appointment > Time Zones to show the time zones field in active window. See screenshot:

Note: The Appointment tab may be displaying as Meeting tab, Event tab, etc. based on the type of opening appointment or meeting.

3. Please specify a new time zone from the Time zone drop down list behind Start time/End time fields. See screenshot:

4. Save and close/send the appointment or meeting.

Note: Outlook does not support to change the meetings not organized by yourself.

Add and change a second time zone in Outlook