Bulk Out of Office Scheduler

Schedule and manage auto-replies for multiple users at once — perfect for company-wide holidays or department leaves.
This PowerShell tool updates internal and external messages in bulk, saving time and reducing manual errors.

Description:
Schedule automatic out-of-office replies for multiple users in one go. Useful for holidays, company events, or terminations.

# Connect to Exchange Online
Connect-ExchangeOnline -UserPrincipalName [email protected]

# Import CSV of users with their messages and date range
$Users = Import-Csv "C:\Scripts\outofoffice.csv"

foreach ($user in $Users) {
    Set-MailboxAutoReplyConfiguration -Identity $user.UserPrincipalName `
        -AutoReplyState Scheduled `
        -StartTime $user.StartTime `
        -EndTime $user.EndTime `
        -InternalMessage $user.InternalMessage `
        -ExternalMessage $user.ExternalMessage
}

UserPrincipalName,StartTime,EndTime,InternalMessage,ExternalMessage
[email protected],5/6/2025 08:00,5/10/2025 17:00,"I'm out of the office.","Thank you for reaching out. I’ll respond after my return."

Make sure date/time format matches your system locale.

You can adjust messages per user or use static content.

Useful for managing departments, terminated accounts, or planned leaves.

Bulk Out of Office Scheduler
🔗 View on GitHub

© 2012–2025 Jet Mariano. All rights reserved.

For usage terms, please see the Legal Disclaimer.