How to Sync Microsoft Planner Tasks with Outlook Calendar
Cannot find the Add to Outlook calendar option in the new Microsoft Planner? Learn about the current software limitations and how to submit feature feedback.
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 Manage Microsoft 365 Email-Only Accounts and Shared Mailboxes
Learn how to create and manage Microsoft 365 shared mailboxes for your organization without extra licenses, and when to use an Exchange Online Plan 1 email account.
Read more ›Fix In-Place Archive Missing from Outlook in Microsoft 365 Business Basic
Troubleshoot the missing In-Place Archive in the Outlook desktop application for Microsoft 365 Business Basic users. Learn how to verify licenses and resolve the issue.
Read more ›How to Display Sent-To Address and Sent Date in New Outlook
Learn how to customize your New Outlook message list view to display the Sent-To address and Sent Date columns instead of the default received information.
Read more ›How to Fix Calendar Sync Problems in Outlook Mobile
Learn how to troubleshoot and fix calendar sync problems in the Outlook mobile app by checking account settings, resetting connections, and updating permissions.
Read more ›How to Transfer Calendar Meeting Ownership to Another User
Learn what to do when a calendar meeting organizer is unavailable. Discover solutions involving delegate access, IT administrators, or creating a replacement meeting.
Read more ›How to Restore a Microsoft 365 Email Address Managed by 123 Reg
Learn how to restore access to a Microsoft 365 email address managed by 123 Reg when it is no longer recognized, and find the right support channels.
Read more ›Fix SharePoint Group Calendar Showing All-Day Events One Day Late
Learn how to address the issue where the SharePoint Group Calendar web part displays all-day events one day late despite correct time zone settings.
Read more ›How to Fix Microsoft Bookings Not Syncing Secondary Calendars
Learn why Microsoft Bookings doesn't sync availability with secondary calendars and explore effective workarounds like Power Automate to block appointment times.
Read more ›Fix Outlook Shared Calendar Not Updating Delegate Attachments
Learn how to troubleshoot and fix Outlook shared calendar issues where changes to attachments made by a delegate do not update for other users.
Read more ›Fix Outlook Authentication Error After Enabling TLS 1.3
Troubleshoot and fix Outlook authentication errors after enabling TLS 1.3. Learn how to verify account types, check compatibility, and resolve Exchange issues.
Read more ›How to Fix Outlook Email Blocked by OneDrive Storage Quota
Learn how to fix Outlook.com sending and receiving issues when your OneDrive storage is over quota. Discover quick steps to free up Microsoft cloud space.
Read more ›Fix Microsoft 365 Internal Emails Cannot Send or Receive
Learn how to troubleshoot Microsoft 365 when internal emails fail to send or receive while external emails work. Guide on NDRs, message traces, and mail flow.
Read more ›How to Fix Microsoft 365 Email Setup Failure in Apple Mail
Learn how to fix Microsoft 365 email configuration issues in Apple Mail or iOS Mail, including assigning an Office 365 license and verifying Exchange ActiveSync.
Read more ›Fix Outlook UserHasNoMailboxAndNoLicenseAssignedException
Learn how to fix the UserHasNoMailboxAndNoLicenseAssignedException error in Outlook when a domain account is removed and cannot be re-added.
Read more ›How to Hide Organization Information in Outlook Contact Cards
Learn if it is possible to hide organization information in Outlook and Microsoft 365 contact cards while keeping the Azure AD Manager field, and discover alternatives.
Read more ›How to Fix Outlook Can Send but Not Receive Emails
Learn how to fix an issue where Outlook can send emails but cannot receive them. Discover how hidden mailbox rules in Outlook on the web may divert messages.
Read more ›How to Configure Mandatory TLS 1.2 for Exchange Online
Learn how to meet mandatory TLS 1.2 and certificate requirements for Exchange Online, including third-party gateway coordination and mail flow connectors.
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