How to Change the Display Name of a Microsoft Exchange Email Account
Learn why Outlook prevents users from changing the display name for a Microsoft Exchange account and how to properly request a name update through your administrator.
Read more ›Email Problems
Quick fixes for Outlook send/receive errors, missing messages, sync delays, and stubborn mail profile problems.
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2564 ResourcesHow to Add an External Email Address to an Exchange Online Distribution List
Learn the correct method to add an external email address to an Exchange Online distribution list by first creating a mail contact in the admin center.
Read more ›Fix Teams Private Group Emails Not Delivered to Members
Learn how to troubleshoot and resolve issues where emails sent to a private Microsoft Teams group are not delivered to members or hidden in Outlook.
Read more ›How to Delegate Multiple Outlook Calendars and Disable Notifications
Learn how to delegate Outlook calendars to another user and easily disable unnecessary meeting-related notifications for the calendar owner.
Read more ›How to Fix Microsoft To Do and Outlook Sync Problems on Mac
Learn how to troubleshoot and resolve synchronization issues between Microsoft To Do and Outlook on your Mac. Discover fixes for web apps and desktop versions.
Read more ›How to Send Microsoft Planner Comments to Outlook Inboxes
Learn how to ensure Microsoft Planner task comments are sent directly to users' Outlook inboxes by following the group, creating rules, or using Power Automate.
Read more ›Fix Microsoft Bookings Not Sending Confirmation Emails or Invitations
Learn how to troubleshoot and resolve the issue of Microsoft Bookings failing to send confirmation emails and calendar invitations to customers and staff.
Read more ›How to Use a Shared Calendar with External Organizations in Microsoft 365
Learn the best Microsoft 365 calendar options for collaborating with external organizations. Discover how to set up and use Microsoft 365 Groups for external guests.
Read more ›How to Fix Microsoft 365 NDR 550 5.7.703 Domain Block
Learn how to resolve the Microsoft 365 NDR 550 5.7.703 error by modifying the Tenant Allow/Block List in the Microsoft Defender portal to restore email flow.
Read more ›Fix Missing Teams Link After Rescheduling in Microsoft Bookings
Learn how to troubleshoot and fix the issue where a Microsoft Teams meeting link goes missing after an administrator reschedules an appointment in Microsoft Bookings.
Read more ›How to View Exchange Online SMTP Relay Message Logs
Learn how to troubleshoot and view Exchange Online SMTP relay message logs for scanners and network devices using Message Trace and local server logs.
Read more ›How to Fix Outlook Calendar Time Intervals Missing in Meeting Invites
Learn how to troubleshoot and fix the issue of missing time intervals on the left side of Outlook meeting invites, including rendering bugs and add-in conflicts.
Read more ›How to Send Multiple Records to One Person in a Single Mail Merge Email
Learn how to group multiple child records and send them to the same recipient in a single mail merge email using a DATABASE field or a Many to One add-in.
Read more ›How to Fix Excel Attachments Not Opening for Email Recipients
Learn how to troubleshoot and fix issues when email recipients cannot open your Excel attachments. Discover quick workarounds and long-term solutions.
Read more ›How to Access an Employee's Microsoft 365 Mailbox from Multiple Devices
Learn how to securely grant a manager access to an employee's Microsoft 365 mailbox across multiple devices using Exchange Admin Center delegation.
Read more ›How to Schedule a Two-Week Work Pattern in Outlook
Learn how to set up an alternating two-week work schedule in Microsoft Outlook using recurring calendar events, as the default feature only supports weekly patterns.
Read more ›How to Fix PHPMailer SMTP Error 535 5.7.139 for Outlook and Hotmail
Learn how to resolve PHPMailer SMTP error 535 5.7.139 when basic authentication is disabled. Fix Hotmail or Outlook connection issues using OAuth 2.0 or SMTP relays.
Read more ›How to Fix CV Email or Upload Taking Too Long to Send
Struggling to upload or email your CV? Learn how to fix slow sending speeds, reduce file sizes, and troubleshoot network or browser issues effortlessly.
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