Setting up an out-of-office message, also known as automatic replies, is a standard professional courtesy when you are away from your desk for an extended period. This feature ensures that colleagues and clients know you are unavailable and when they can expect a response. However, because Microsoft has multiple versions of Outlook—including the New Outlook for Windows, the Classic Desktop app, the Web interface, and Mobile apps—the steps can vary significantly.

Quick Summary for Immediate Setup

For most modern users of Outlook (Microsoft 365, New Outlook, and Web), the fastest way to enable an out-of-office reply is:

  1. Open Settings (the gear icon).
  2. Go to Accounts > Automatic Replies.
  3. Toggle the switch to On.
  4. Set your time range and type your message.
  5. Click Save.

If you are using an older version or a specific account type like Gmail via Outlook, the process requires different menus or the creation of a custom rule.

Setting Up Out of Office in New Outlook for Windows and Web

The "New Outlook" for Windows shares almost the same interface as the web-based version (Outlook.com). This is now the default experience for many Microsoft 365 subscribers.

Step-by-Step Instructions

  1. Locate Settings: Click on the gear icon located in the top-right corner of the Outlook window.
  2. Navigate to Replies: In the settings sidebar, select Accounts and then click on Automatic Replies.
  3. Enable the Feature: Click the toggle labeled Turn on automatic replies.
  4. Define the Time Period: Check the box for Send replies only during a time period. This is highly recommended so you don’t have to remember to turn it off when you return. Choose your start and end dates and times.
  5. Manage Your Calendar (Web Exclusive): One of the advantages of the web interface is the ability to manage your schedule simultaneously. You can check boxes to:
    • Block your calendar for this period.
    • Automatically decline new invitations for events during this time.
    • Decline and cancel existing meetings during this period.
  6. Draft the Messages:
    • Inside Your Organization: Type the message your immediate colleagues will see.
    • Outside Your Organization: If you want people from other companies to receive a reply, check Send replies outside your organization. You can choose to send these to Only contacts to minimize the risk of replying to spam or newsletters.
  7. Save: Click the Save button at the bottom of the window.

Configuring Automatic Replies in Classic Outlook for Windows

Classic Outlook refers to the desktop applications like Outlook 2016, 2019, 2021, and the version included in Microsoft 365 that features the traditional "File" menu in the top-left ribbon.

Step-by-Step Instructions

  1. Open the File Menu: Click File in the top-left corner of the ribbon.
  2. Access Automatic Replies: You should see a large button labeled Automatic Replies (Out of Office).
    • Note: If you do not see this button, your account type likely does not support it directly. See the "Rules and Templates" section below.
  3. Select Sending Options: In the dialog box that appears, select Send automatic replies.
  4. Set the Schedule: Check Only send during this time range and input your vacation dates.
  5. Configure Internal vs. External Messages:
    • Under the Inside My Organization tab, paste your message for coworkers.
    • Click the Outside My Organization tab to set a message for everyone else. Ensure the box Auto-reply to people outside my organization is checked if needed.
  6. Finalize: Click OK.

Setting Up Out of Office on the Outlook Mobile App (iOS and Android)

If you are already on your way to the airport, you can easily set your status from your smartphone.

Step-by-Step Instructions

  1. Open Profile: Tap your profile picture or the home icon in the top-left corner.
  2. Enter Settings: Tap the gear icon at the bottom of the sidebar.
  3. Select Your Account: Under the Email Accounts section, tap the specific account you want to set the reply for.
  4. Toggle Automatic Replies: Tap on Automatic Replies.
  5. Input Details: Switch the toggle to On. You can choose to reply to everyone or only your organization and set a time range.
  6. Save: Tap the checkmark or Done in the top-right corner.

Outlook for Mac Instructions

Outlook for Mac uses a slightly different menu structure compared to its Windows counterpart.

Step-by-Step Instructions

  1. Open Tools: In the top menu bar (next to the Apple icon), select Tools.
  2. Select Automatic Replies: Click on Automatic Replies.
  3. Configure the Account: If you have multiple accounts, select the correct one from the list.
  4. Enable and Write: Check the box for Send automatic replies for account [Name].
  5. Time and Content: Set your time period and draft your message in the text box provided.
  6. External Settings: Choose whether to send replies outside your organization and if those replies should be limited to your address book contacts.

How to Set Up an Out of Office When the Button is Missing

If you go to the File menu in Classic Outlook and the "Automatic Replies" button is missing, you are likely using a POP or IMAP account (such as a personal Gmail or Yahoo account added to Outlook). These protocols do not support server-side automatic replies through the standard Outlook interface.

To solve this, you must create a custom Rule and a Template. Note that for this to work, your computer must remain turned on and Outlook must be running while you are away.

Phase 1: Create the Message Template

  1. Create a New Email.
  2. Type the out-of-office message you want to send. Leave the "To" and "Subject" fields blank.
  3. Click File > Save As.
  4. In the "Save as type" dropdown, select Outlook Template (*.oft).
  5. Give it a name like "Out of Office Template" and click Save. Close the email draft without saving changes.

Phase 2: Create the Rule

  1. Go to File > Manage Rules & Alerts.
  2. Click New Rule.
  3. Under "Start from a blank rule," select Apply rule on messages I receive and click Next.
  4. If you want to reply to every message, click Next again and select Yes when the warning appears. Alternatively, you can set conditions (e.g., only messages sent directly to you).
  5. In the "What do you want to do with the message?" step, check the box for reply using a specific template.
  6. In the bottom pane, click the underlined words "a specific template".
  7. Change the "Look In" dropdown to User Templates in File System.
  8. Select your "Out of Office Template" and click Open.
  9. Click Next, add any exceptions (like newsletters you don't want to reply to), and click Finish.
  10. Important: You must keep Outlook open on your desktop for this rule to trigger.

Professional Best Practices for Out-of-Office Messages

An effective out-of-office message is brief, professional, and provides alternative contacts. Based on corporate communication standards, here are several elements to include:

  • The Dates: Clearly state when you are leaving and when you expect to return.
  • Response Expectations: Mention if you will have limited access to email or no access at all.
  • Emergency Contact: Provide the name and email address of a colleague who can assist while you are away. Ensure you have their permission first.
  • Clarity: Avoid oversharing personal details about your vacation. "I am away on annual leave" is sufficient.

Example Template

"Thank you for your email. I am currently out of the office for [Reason] and will not have access to my email until [Date]. If you require immediate assistance, please contact [Colleague Name] at [Email Address]. Otherwise, I will respond to your message as soon as possible upon my return."

Security Considerations

When setting up automatic replies, be mindful of the "Outside My Organization" setting.

  • Spam Risks: Replying to every external email confirms that your email address is active, which can lead to an increase in spam.
  • Privacy: Disclosing that you are away from home or the office for a specific duration can be a security risk.
  • Recommendation: In high-security environments, it is best to set the external reply to My Contacts Only.

Troubleshooting Common Issues

The "Turn Off" Prompt

When you return, Outlook usually displays a yellow bar at the top of the app stating that automatic replies are being sent. Simply click Turn off to stop the replies. If you set a time range, they will stop automatically.

Sync Issues with Teams

If you use Microsoft Teams, setting your out-of-office in Outlook will automatically update your Teams status to "Out of Office" and display your message when colleagues try to message you. Conversely, if you set an out-of-office in Teams, it will often sync back to Outlook.

Multiple Accounts

If you have multiple email accounts configured in one Outlook app, you must set the out-of-office reply for each account individually. The settings for a work Exchange account do not automatically apply to a personal Outlook.com account.

Summary

Setting up an out-of-office reply is a straightforward process, but the specific path depends on your platform.

  • New Outlook/Web: Gear Icon > Accounts > Automatic Replies.
  • Classic Outlook: File > Automatic Replies.
  • Mobile: Profile > Settings > Account > Automatic Replies.
  • Mac: Tools > Automatic Replies.

By setting a specific time range and differentiating between internal and external recipients, you can maintain professional communication and manage expectations while you are away from your workspace.

Frequently Asked Questions

What is the difference between New Outlook and Classic Outlook?

New Outlook is a simplified, web-based architecture designed to replace the Mail and Calendar apps in Windows. Classic Outlook is the feature-rich desktop application that has been part of the Office suite for decades. The menus for automatic replies are located in different places in each.

Can I set an out-of-office for a specific day of the week?

The standard automatic reply feature only allows for a continuous date range. If you need a recurring out-of-office (e.g., every Friday), you would need to use the Rules method and manually enable it or use Power Automate for advanced scheduling.

Why is my out-of-office message only sending once per person?

This is by design. Outlook sends the automatic reply only once to each sender during the period the feature is active. This prevents "email loops" where two automated systems reply to each other indefinitely. If you turn the feature off and back on, the "counter" resets, and senders will receive the message again.

Does Outlook have to be open for automatic replies to work?

For Exchange, Microsoft 365, and Outlook.com accounts, the reply is handled by the server. Your computer can be turned off. However, if you are using the Rules and Template method for POP/IMAP accounts, Outlook must remain open on a computer connected to the internet.

Can I use AI or Copilot to write my out-of-office message?

Yes, in the New Outlook and Web versions, Microsoft 365 Copilot can assist in drafting a professional response based on your calendar events. Look for the "Draft with Copilot" icon within the automatic replies text box.