Setting an out-of-office reply in Microsoft Outlook is a simple but important step before you leave work, attend a conference, take vacation, or become temporarily unavailable. A clear automatic reply helps colleagues, clients, and partners understand when you are away, whether you will respond, and who they should contact for urgent matters.
TLDR: To set an out-of-office reply in Outlook, open Automatic Replies, turn the feature on, choose your dates, and write a clear message for both internal and external senders. Include your return date, whether you will monitor email, and an alternate contact for urgent issues. Before leaving, test the message and confirm the schedule so replies do not continue after you return.
Why an Out-of-Office Message Matters
An out-of-office reply is more than a courtesy. It manages expectations, reduces follow-up messages, and protects important work from being delayed without explanation. In professional settings, silence can create confusion. A brief automatic reply tells people exactly what to expect and where to go next.
A good message should be accurate, concise, and businesslike. It should not include unnecessary personal details, but it should provide enough information for the sender to decide whether to wait or contact someone else.
How to Set Out-of-Office in Outlook for Windows
If you use the desktop version of Outlook on Windows with a Microsoft 365 or Exchange account, the out-of-office setting is usually available through the Automatic Replies feature.
- Open Outlook.
- Select File in the upper-left corner.
- Choose Automatic Replies.
- Select Send automatic replies.
- Check Only send during this time range if you want Outlook to start and stop automatically.
- Enter your start and end date and time.
- Write your message under the Inside My Organization tab.
- Write a separate message under the Outside My Organization tab if you want external senders to receive a reply.
- Select OK to save your settings.
Using a scheduled time range is strongly recommended. It prevents your automatic reply from staying active after you return, which can look careless and may cause missed opportunities.
How to Set Out-of-Office in Outlook on the Web
Outlook on the web is often the easiest option, especially if you move between devices or do not have access to the desktop application.
- Go to Outlook on the web and sign in.
- Select the Settings gear icon.
- Choose Mail, then select Automatic replies.
- Turn on Automatic replies.
- Set a start and end time.
- Type your internal automatic reply.
- Choose whether to send replies outside your organization.
- Save your changes.
Outlook on the web may also offer helpful options such as declining meetings during your absence or blocking your calendar. These settings can be useful if you want to prevent new appointments from being scheduled while you are away.
How to Set Out-of-Office in the New Outlook
The new Outlook for Windows has a layout that is closer to Outlook on the web. The steps may differ slightly depending on your organization’s configuration, but the process is generally straightforward.
- Open New Outlook.
- Select the Settings gear icon.
- Go to Accounts, then select Automatic replies.
- Choose the account you want to configure if you have more than one.
- Turn on automatic replies and set your time range.
- Enter your message for internal and external senders.
- Save the settings.
If you manage several mailboxes, be careful to select the correct account. Automatic replies are usually configured separately for each mailbox.
How to Set Out-of-Office in Outlook for Mac
Outlook for Mac also supports automatic replies for Microsoft 365 and Exchange accounts.
- Open Outlook for Mac.
- Select Tools from the menu bar.
- Choose Automatic Replies.
- Select the account you want to update.
- Turn on automatic replies.
- Set the start and end dates if available.
- Enter your reply text.
- Save or close the window to apply the change.
If the option is not visible, confirm that your account type supports server-based automatic replies. Some POP or IMAP accounts do not include the same built-in feature.
How to Set Out-of-Office in the Outlook Mobile App
The Outlook mobile app is useful when plans change and you need to update your availability while away from your desk.
- Open the Outlook app on your phone.
- Tap your profile icon or account icon.
- Select the Settings gear icon.
- Choose the email account you want to update.
- Tap Automatic Replies.
- Turn automatic replies on.
- Set the time range and enter your message.
- Tap the check mark or save option.
Mobile setup is convenient, but it is still worth reviewing your message on a larger screen when possible. A typo in an automatic reply can be sent to many people before it is noticed.
What to Include in a Professional Out-of-Office Message
Your message should be brief and useful. Avoid vague statements such as “I am away from email” without giving the sender any next step. A professional out-of-office reply usually includes the following:
- Your absence period: State when you are unavailable and when you expect to return.
- Email monitoring status: Say whether you will check email occasionally or not at all.
- Alternate contact: Provide the name, role, and email address of someone who can help.
- Urgency guidance: Explain what to do if the matter requires immediate attention.
- A polite closing: Thank the sender for their patience.
Sample Out-of-Office Messages
Standard professional reply:
Thank you for your message. I am out of the office from Monday, 12 August through Friday, 16 August and will have limited access to email. I will respond as soon as possible after I return. For urgent matters, please contact Jane Smith at jane.smith@example.com.
Brief internal reply:
I am away from the office until 16 August and will not be checking email regularly. For urgent project questions, please contact the operations team or reach out to Mark Lee.
External client reply:
Thank you for contacting me. I am currently out of the office and will return on 16 August. If your request is urgent, please contact our support team at support@example.com. Otherwise, I will reply when I return.
Important Settings for External Replies
Outlook usually allows you to send different messages to people inside and outside your organization. This is important because external replies may go to clients, vendors, applicants, or unknown senders.
For external messages, avoid sharing sensitive details. Do not include excessive information about your travel, personal location, internal staffing, or security arrangements. Keep the message practical and limited to business needs.
You may also see an option to send automatic replies only to contacts. This can reduce unnecessary replies to newsletters, automated systems, or unfamiliar senders. However, if customers or outside partners may need your alternate contact information, sending replies to all external senders may be more appropriate.
Troubleshooting Common Problems
If your out-of-office reply is not working, start by checking the basics. Confirm that the feature is turned on, the time range is correct, and the message has been saved. Also verify that you configured the correct mailbox.
- Automatic Replies button is missing: Your account may not be Microsoft 365 or Exchange. POP and IMAP accounts may require rules instead.
- Replies are not being sent externally: Check whether external replies are enabled and whether they are limited to contacts.
- The reply continues after you return: Turn it off manually or confirm that the end time was set correctly.
- Multiple accounts behave differently: Configure each account separately.
Final Checklist Before You Leave
- Set a clear start and end time.
- Write separate internal and external messages if needed.
- Include a reliable alternate contact.
- Remove unnecessary personal or confidential information.
- Check your calendar availability and meeting commitments.
- Send a test message if your organization allows it.
A well-prepared out-of-office reply protects your time and supports the people who depend on your response. By setting it carefully in Outlook, you help maintain professional communication even when you are unavailable.