| ItemPubDate | ItemLink | ItemTitle | ItemDescription |
|---|
| Fri, 09 May 2025 15:20:00 Z | | A mobile device can't connect to Exchange Online by using Exchange ActiveSync - Microsoft Support | Describes a scenario in which a mobile device can't connect to Exchange Online in Office 365 by using Exchange ActiveSync. Provides a resolution. |
| Fri, 09 May 2025 15:20:00 Z | | How to set Exchange Online mailbox sizes and limits in the Office 365 environment - Microsoft Support | Describes how to use Exchange Online PowerShell to set Exchange Online mailbox sizes and limits in Office 365. |
| Fri, 09 May 2025 14:38:55 Z | | Outlook performance is slow in the Office 365 environment - Microsoft Support | Describes performance issues that occur when you use Outlook in an Office 365 environment. Specifically, Outlook performs slowly when you open email messages, and mail sits for a long time in the Outbox after you send it. A resolution is provided. |
| Fri, 10 May 2024 18:27:42 Z | | Activity-based authentication timeout for Outlook on the web in Office 365 - Microsoft Support | Describes considerations are applied for the activity-based timeouts |
| Thu, 18 Jan 2024 22:25:42 Z | | [ARCHIVED] Current issues with Microsoft Exchange ActiveSync and third-party devices - Microsoft Support | Discusses current issues that involve Microsoft Exchange ActiveSync and third-party devices. |
| Thu, 17 Aug 2023 08:39:48 Z | | Users in an Exchange Online Protection environment receive NDRs when they send mail to a recipient environment that uses UCEPROTECT for mail security - Microsoft Support | Describes a scenario in which users in an Exchange Online Protection environment receive an NDR when they send mail to a recipient whose messaging environment uses the UCEPROTECT service for mail security. |
| Thu, 17 Aug 2023 08:34:40 Z | | A room or room list disappears in Scheduling Assistant when you create a meeting in Exchange Online - Microsoft Support | Describes a Scheduling Assistant issue that occurs when you create a meeting in Office 365 or Exchange Online. Specifically, a room or room list disappears unexpectedly. |
| Tue, 13 Jun 2023 21:23:30 Z | | Transport and mailbox rules in Exchange Online or on-premises Exchange Server don't work as expected - Microsoft Support | Describes an issue in which transport and mailbox rules don't work correctly in Exchange Online or in on-premises Exchange Server. Provides a resolution. |
| Tue, 18 Oct 2022 02:54:14 Z | | A user who has Send As permission can't send email messages as another user account in Outlook in Office 365 - Microsoft Support | Describes an issue in which a user can't send mail as another user account by using Outlook in Office 365 even though the user has Send As permission. Provides a resolution. |
| Tue, 18 Oct 2022 02:54:14 Z | | Users cannot access their mailbox after an Exchange mailbox is migrated to Office 365 dedicated - Microsoft Support | Describes an issue in which users report access problems with their mailbox after it is migrated to a managed environment. The issue may be with the mailbox configuration or with the user’s local profile. This article contains guidelines to troubleshoot this issue. |