Out of Office Message Generator

An effective auto-reply answers the three questions every sender has, in two or three sentences:

• Are you gone? Say that you are away and, if you like, the general reason (vacation, travel, leave).
• When will you be back? Give the return date with the weekday, such as "Monday, October 5." The weekday prevents confusion when someone reads the message days later and removes any doubt about whether you mean the date you leave or the date you return.
• Who can help now? Name a backup and give their email so urgent requests do not wait for you.

The generator writes all three from your inputs. If you leave the backup blank, it says you will respond when you return instead of leaving a half-finished sentence.

Alex Morgan is taking a week off and returns on October 5, 2026. Alex's colleague Sam Rivera has agreed to cover urgent requests. Alex chooses Vacation, the friendly tone and the external audience, because most incoming mail comes from clients.

The generator produces the subject line Out of office until Monday, October 5 and this body:

• Hi there,
• Thanks for your email! I am on vacation and will be back on Monday, October 5. I will not be checking email while I am away. If your request is urgent, please contact Sam Rivera at sam.rivera@example.com.
• Best, Alex Morgan

The weekday is calculated from the date, so a sender does not have to look up whether October 5 is a working day. Switching to the formal tone changes the greeting to Hello, the thanks line to Thank you for your message, and the sign-off to Kind regards. If Alex removed Sam's details, the backup sentence would be replaced with I will respond to your message when I return.

Every message is one paragraph built in a fixed order: a thank-you, a sentence saying you are away and when you return, what happens to the email in the meantime, and who to contact instead. This order answers the sender's questions in the sequence they ask them, and keeps the message short enough to read in a notification preview.

A few rules change the wording by message type. Sick days and business travel say I will reply as soon as I can, because you may check email; vacation and leave say you will not be checking it. Holiday closures speak for the office, not for you. The last-day message drops the return date entirely, says the mailbox is no longer monitored, and asks senders to contact your backup going forward. Outlook and Gmail both let you schedule start and end times for automatic replies (see the Microsoft and Google help pages cited below), so the message can say exactly when you are back without you remembering to turn it off.

Many email clients, including Outlook and Gmail for Workspace, let you set a separate reply for people inside your organization. Coworkers can get a warmer, shorter note; clients and vendors should get a message that works for someone who has never met you. Use the formal tone for law, finance, government and first-contact situations, and friendly for teams and long-standing clients.

For external replies, think about security as well: a public auto-reply confirms your address is active and tells anyone who emails you when you are away. Leave out your personal phone number, travel destination and home details, and point external senders to a shared team address where possible.

• Medical or personal leave: the message only says you are on leave. You never need to explain why. In the U.S., the Family and Medical Leave Act lets eligible employees take up to 12 weeks of job-protected leave, and what you share with coworkers or clients is your choice.
• Parental leave: give an approximate return date if you have one and make the backup contact prominent, because the absence is long.
• Sick day: keep it short, and use your next working day as the return date.
• Last day: there is no return date. Point people to your replacement or team inbox, and check with your manager or IT about how long the mailbox will stay active. Do not use the auto-reply to share personal contact details with every sender.