Where to find the timezone setting in Outlook
The timezone setting in Outlook lives in your calendar preferences, not in your general settings. The exact path depends on which version you use — Outlook on the web, Outlook desktop for Windows, or Outlook for Mac each store this setting in a different place.
If you use Outlook on the web (the version you access through a browser), you'll find it under Settings. If you use the desktop process on Windows, it's buried in the calendar options. On Mac, it's in preferences. The reason it's tucked away is that Outlook assumes most people set their timezone once when they first set up their account and never change it again.
Key Takeaways
- Outlook stores the timezone setting in calendar preferences, not in general account settings, which is why many people can't find it.
- Changing your timezone in Outlook affects how meeting times display to you and how invitations you send show the time to others.
- The steps differ between Outlook on the web, Outlook desktop for Windows, and Outlook for Mac.
- If you change your computer's system timezone, Outlook may or may not update automatically depending on your version and settings.
Changing timezone in Outlook on the web
Open Outlook in your web browser and select the gear icon in the top right corner. From the dropdown menu, click View all Outlook settings. Then navigate to Calendar in the left sidebar, and you'll see Regional settings as an option. Click that, and you'll find the timezone dropdown near the top of the page.
Select your timezone from the list. The dropdown shows timezone names with their current offset from UTC (Coordinated Universal Time) — for example, "Eastern Time (UTC-5)" or "Pacific Time (UTC-8)". Once you've selected it, the change saves automatically. You don't need to click a save button.
Changing timezone in Outlook desktop for Windows
Open Outlook and go to File in the top left. Click Options, then select Calendar from the left sidebar. Look for the section labeled Calendar options and find the Time zone dropdown. It's usually near the top of that section.
Click the dropdown and choose your timezone. Unlike the web version, the desktop process requires you to click OK at the bottom of the Options window to save the change. Outlook will close the Options window and return you to your calendar.
Changing timezone in Outlook for Mac
Click Outlook in the menu bar at the top of your screen, then select Preferences. In the Preferences window, find and click Calendar. You'll see a section for Time zone with a dropdown menu.
Select your timezone from the list and close the Preferences window. The change takes effect when ready. If you don't see the timezone option in Calendar preferences, check under General preferences as well — the location varies slightly between Mac versions.
What happens when you change your timezone
When you change your timezone in Outlook, the calendar recalculates how it displays all your existing meetings and events. A meeting that was scheduled for 2 p.m. Eastern Time will now show as 11 a.m. Pacific Time if you switch to Pacific. The actual meeting time doesn't change — only how Outlook displays it to you.
If you send a meeting invitation after changing your timezone, the time shown to recipients reflects your new timezone. If you're scheduling a meeting with people in different timezones, Outlook will show you their local time alongside yours, but only if you've set up those contacts' timezones in your address book.
When your computer's timezone changes but Outlook doesn't
If you change your computer's system timezone (through Windows Settings or Mac System Preferences) but Outlook still shows the old timezone, you may need to restart Outlook for it to pick up the change. Close the process completely and reopen it.
In some cases, Outlook on the web won't update automatically at all — it uses the timezone you set in Outlook settings, not your computer's system timezone. This is actually useful if you travel frequently and want your calendar to stay in your home timezone while your computer adjusts to local time. If you want Outlook to match your computer's timezone, you'll need to change it manually in Outlook settings each time you move.
Why timezone matters for meeting invitations
Outlook uses your timezone to stamp every meeting invitation you send. When someone receives your invitation, they see the meeting time converted to their own timezone automatically — but only if their Outlook also knows their timezone. If their timezone isn't set, they see the time exactly as you sent it, which can cause confusion if you're in different locations.
This is why it's worth setting your timezone correctly from the start. If you later realize you set it wrong, changing it won't break past meetings, but it will change how those meetings display to you going forward. The meeting time itself doesn't shift — only your view of it.
Frequently Asked Questions
Does changing my timezone in Outlook affect meetings I've already scheduled?
No, the actual meeting time doesn't change. Only how Outlook displays that time to you changes. If you scheduled a meeting for 2 p.m. and then switch your timezone, the meeting still happens at the same moment — it just shows as a different clock time in your calendar.
What if I travel and want my calendar in a different timezone temporarily?
You can change your timezone in Outlook settings whenever you need to. If you travel frequently, it's usually easier to keep your Outlook timezone set to your home location and let your computer's system timezone adjust to local time. That way your calendar stays consistent even as you move.
Will people see the wrong time if I change my timezone after sending an invitation?
No. The invitation was already sent with the time stamp from when you created it. Changing your timezone afterward doesn't resend the invitation or change what people already received. They'll see the time that was on the original invitation.
Can I set different timezones for different calendars in Outlook?
No, Outlook applies one timezone setting to your entire account. All calendars in that account display times in the same timezone. If you need to track multiple timezones, you can add a second calendar from a different timezone or use Outlook's world clock feature to display multiple times side by side.
Why does Outlook on the web show a different timezone than my desktop Outlook?
This happens when you've set different timezones in each version. Outlook on the web and Outlook desktop store their settings separately, so you need to change the timezone in both places if you use both versions. Check your settings in each one to make sure they match.