A Lighter Workday

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How to Set Working Hours in Outlook (and Reply After Hours)

To set working hours in Outlook, open Settings → Calendar in new Outlook or Outlook on the web, or File → Options → Calendar → Work time in classic Outlook. Teams uses the same hours from your Outlook calendar. For an after-hours "quick question", most messages can wait until morning: a short holding reply, or a reply scheduled for the next working day, keeps everyone informed without starting your evening shift.

Why set working hours

Working hours tell colleagues when you're available. They show up when people schedule meetings, and they help others see that a 9 PM message probably won't get an answer until morning.

They're not a wall. They set an expectation, so you don't have to explain it again in every message.

How to set working hours in Outlook

New Outlook and Outlook on the web

  1. Select the Settings gear.
  2. Go to Calendar and find the work hours setting.
  3. Choose your work days, start time and end time.
  4. Select Save.

Classic Outlook for Windows

  1. Select File → Options → Calendar.
  2. Under Work time, set the start time, end time and work days.
  3. Select OK.

Teams

Teams uses the working hours from your Outlook calendar. Once they're set in Outlook, Teams shows them too. To silence Teams in the evening, set quiet hours in the Teams app on your phone.

Google Calendar (work or school accounts)

Open Google Calendar → Settings and look for Working hours. Set the days and times, and Google Calendar warns people who try to invite you outside them. This option is available for work and school accounts; personal accounts may not have it.

Writing after hours? Schedule it for the morning

If you think best in the evening, you don't have to stop writing. But a message sent at 10 PM tells the recipient that evenings are for work. Schedule it instead.

What to reply to an after-hours "quick question"

First, check what kind of message it is:

  1. A real emergency. Something stops work for others or affects a customer right now. Answer, or forward it to the right person.
  2. Urgent for them, not for you. A short holding reply is enough: you've seen it, and you'll answer in the morning.
  3. Not urgent at all. It can wait until your first email round tomorrow. No reply is needed tonight.

A holding reply you can copy:

Thanks for the message. Picking this up first thing tomorrow morning, with an answer by [time].

For colleagues who often write late, a calm, general note can set the expectation once:

Write a short, friendly message to [team] explaining that messages after [time] are answered the next working morning. For anything truly urgent, the best way to reach out is [phone / another channel]. Keep it under 70 words and not defensive.

Use the AI tool your employer has approved. In public tools, remove names, numbers and anything confidential. Read every draft before you send it.

A note on rules

Some employers and countries have rules about contact outside working hours. This page isn't legal advice: your HR team or your local employment guidance can tell you what applies to you.

If evening messages keep you from switching off for a long time, it can help to talk to your manager or someone you trust.

Common mistakes

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