| EX1464935 |
Users may be unable to connect to, or experience degraded functionality with Exchange Online
Exchange Onlineincident
|
Active |
31 Aug 2026 |
03 Sep 2026 |
| EX1465910 |
Users may be unable to load themes in Outlook on the web
Exchange Onlineadvisory
|
Active |
02 Sep 2026 |
03 Sep 2026 |
| EX1441488 |
Some users may see unwanted add-ins appearing automatically across all Outlook clients
Exchange Onlineadvisory
|
Active |
17 Jul 2026 |
01 Sep 2026 |
| EX1458145 |
Users may be unable to complete mailbox offboarding because the migration task is blocked and can’t finish
Exchange Onlineadvisory
|
Resolved |
11 Aug 2026 |
27 Aug 2026 |
| EX1435168 |
Some users may be unable to view location and subject details for other users' Exchange Online calendar items
Exchange Onlineadvisory
|
Resolved |
14 Jul 2026 |
26 Aug 2026 |
| EX1442215 |
Admins are unable to complete some cross-tenant mailbox migrations in Exchange Online
Exchange Onlineadvisory
|
Resolved |
14 Feb 2026 |
24 Aug 2026 |
| EX1456866 |
Some users may be unable to send or receive new Exchange Online email through the native iOS mail app
Exchange Onlineincident
|
Resolved |
17 Aug 2026 |
18 Aug 2026 |
| EX1454755 |
Users may be unable to send email externally and may receive DNS-related errors.
Exchange Onlineincident
|
Resolved |
14 Aug 2026 |
14 Aug 2026 |
| EX1442253 |
Users may be unable to add their personal Google or Gmail calendars in Outlook on the web
Exchange Onlineadvisory
|
Resolved |
24 Feb 2026 |
13 Aug 2026 |
| EX1452407 |
Users may be unable to access their mailbox with any Exchange Online connection methods
Exchange Onlineincident
|
Resolved |
11 Aug 2026 |
11 Aug 2026 |
| EX1438592 |
Users in the United Kingdom may experience errors or failures when accessing their mailboxes in Exchange Online.
Exchange Onlineincident
|
Resolved |
24 Jul 2026 |
25 Jul 2026 |
| EX1428537 |
Some users may be unable to view mailbox storage data in Outlook and Outlook on the web
Exchange Onlineadvisory
|
Resolved |
12 Jul 2026 |
22 Jul 2026 |
| EX1426934 |
Some admins may be unable to make changes to distribution lists in Exchange Online and receive an error
Exchange Onlineadvisory
|
Resolved |
12 Jul 2026 |
15 Jul 2026 |
| EX1426511 |
Users may be unable to drag and drop email messages between folders in new Outlook and Outlook on the web
Exchange Onlineadvisory
|
Resolved |
10 Feb 2026 |
14 Jul 2026 |
| EX1427120 |
Some users were unable to see conference room availability for Exchange Online through a room-booking application
Exchange Onlineadvisory
|
Resolved |
13 Jul 2026 |
14 Jul 2026 |
| EX1233142 |
Some users may see that when selecting a meeting room when scheduling meetings, it changes from available to unavailable
Exchange Onlineadvisory
|
Resolved |
08 Dec 2025 |
06 Jul 2026 |
| EX1409958 |
Some users may encounter crashes in the classic Outlook desktop app when right clicking in an email message
Exchange Onlineadvisory
|
Resolved |
29 Jun 2026 |
01 Jul 2026 |
| EX1394927 |
Admins may be unable to perform actions involving Domain Name System (DNS) records within the Exchange admin center
Exchange Onlineadvisory
|
Resolved |
17 Jun 2026 |
20 Jun 2026 |
| EX1396891 |
Admins may be unable to provision some users’ Exchange Online mailboxes
Exchange Onlineadvisory
|
Resolved |
18 Jun 2026 |
19 Jun 2026 |
| EX1392948 |
Users' Input Method Editor (IME) for Japanese/Korean input may be disabled and may switch to English in Exchange Online
Exchange Onlineadvisory
|
Resolved |
16 Jun 2026 |
18 Jun 2026 |
| EX1386636 |
Users may be unable to see the free/busy status of multiple cross-tenant mailboxes in Exchange Online
Exchange Onlineadvisory
|
Resolved |
14 May 2026 |
17 Jun 2026 |
| EX1310533 |
Users may be unable to view free/busy status for Gmail users within the Exchange Online calendar
Exchange Onlineadvisory
|
Resolved |
11 May 2026 |
15 Jun 2026 |
| EX1327187 |
Some users may be unable to create new online meetings from shared calendar events in Exchange Online
Exchange Onlineadvisory
|
Resolved |
30 May 2026 |
12 Jun 2026 |
| EX1331830 |
Users may be experiencing significant delays or failures in sending and receiving email messages in Exchange Online
Exchange Onlineincident
|
Resolved |
02 Jun 2026 |
10 Jun 2026 |
| EX1318421 |
Users may be unable to view the body of edited Exchange Online email messages from the Sent folder
Exchange Onlineadvisory
|
Resolved |
15 Apr 2026 |
05 Jun 2026 |
| EX1322762 |
Some users may see older draft email messages appear as recently modified in Exchange Online
Exchange Onlineadvisory
|
Resolved |
26 May 2026 |
04 Jun 2026 |
| EX1321282 |
Users were intermittently unable to access Exchange Online
Exchange Onlineincident
|
Resolved |
24 May 2026 |
25 May 2026 |
| EX1310300 |
Some users may experience issues when accessing their Exchange Online mailbox via one or more connection methods
Exchange Onlineadvisory
|
Resolved |
14 May 2026 |
14 May 2026 |
| EX1307899 |
Users’ text may turn blank when translated from the reading pane in Outlook desktop and Outlook on the web
Exchange Onlineadvisory
|
Resolved |
11 May 2026 |
12 May 2026 |
| EX1304825 |
Some users may be unable to view on-premises or cross-tenant free/busy availability when scheduling meetings
Exchange Onlineadvisory
|
Resolved |
05 May 2026 |
12 May 2026 |
| EX1254044 |
Some users may have been unable to use classic Outlook when the Teams Meeting Add-in was enabled
Exchange Onlineadvisory
|
Resolved |
25 Feb 2026 |
07 May 2026 |
| EX1297752 |
Users may be experiencing high latency when performing searches in Exchange Online
Exchange Onlineadvisory
|
Resolved |
01 Apr 2026 |
05 May 2026 |
| EX1281449 |
Users may be unable to reply to email messages from a pop-up window in Outlook on the web
Exchange Onlineadvisory
|
Resolved |
14 Apr 2026 |
02 May 2026 |
| EX1279815 |
Admins' search parameters may be missing after performing a group search in the Exchange admin center
Exchange Onlineadvisory
|
Resolved |
14 Apr 2026 |
28 Apr 2026 |
| EX1280763 |
Admins may be unable to progress mailbox migrations in Exchange Online
Exchange Onlineadvisory
|
Resolved |
14 Apr 2026 |
27 Apr 2026 |
| EX1280216 |
Admins may have experienced failures when running admin operations the admin portal in Exchange Online
Exchange Onlineadvisory
|
Resolved |
13 Apr 2026 |
18 Apr 2026 |
| EX1275040 |
Users may be unable to download or open email attachments in Outlook on the web
Exchange Onlineadvisory
|
Resolved |
09 Apr 2026 |
17 Apr 2026 |
| EX1268771 |
Users may be intermittently unable to access their Exchange Online mailboxes in some connection methods.
Exchange Onlineadvisory
|
Resolved |
17 Mar 2026 |
16 Apr 2026 |
| EX1234720 |
Some admins may be unable to change some users' Exchange Online mailbox settings when using a PowerShell cmdlet
Exchange Onlineadvisory
|
Resolved |
15 Jan 2026 |
14 Apr 2026 |
| EX1260260 |
Users may be unable to access archived email messages in Outlook on the web
Exchange Onlineadvisory
|
Resolved |
24 Mar 2026 |
14 Apr 2026 |
| EX1213792 |
Admins couldn’t upgrade groups from Distribution Lists to Unified Groups using PowerShell or the Exchange admin center
Exchange Onlineadvisory
|
Resolved |
06 Jan 2026 |
14 Apr 2026 |
| EX1278714 |
Some users may be unable to access email messages in Outlook Mobile when connecting to Exchange on‑premises
Exchange Onlineincident
|
Resolved |
10 Apr 2026 |
13 Apr 2026 |
| EX1232513 |
Some admins may be unable to perform tenant to tenant migrations and offboarding moves in the Exchange admin center
Exchange Onlineadvisory
|
Resolved |
14 Feb 2026 |
03 Apr 2026 |
| EX1256020 |
Some users may be intermittently unable to access their Exchange Online mailboxes in some connection methods
Exchange Onlineincident
|
Resolved |
12 Mar 2026 |
01 Apr 2026 |
| EX1259460 |
Some users may be unable to access custom add-ins through any Exchange Online connection method
Exchange Onlineadvisory
|
Resolved |
12 Mar 2026 |
31 Mar 2026 |
| EX1255397 |
Some users may be unable to access the default add-ins in Outlook
Exchange Onlineadvisory
|
Resolved |
12 Mar 2026 |
31 Mar 2026 |
| EX1260428 |
Some users may have been unable to access their Exchange Online mailboxes using the Outlook desktop client
Exchange Onlineincident
|
Resolved |
24 Mar 2026 |
24 Mar 2026 |
| EX1259159 |
Some users’ outbound email messages may display an unexpected sender name in Exchange Online
Exchange Onlineadvisory
|
Resolved |
05 Mar 2026 |
24 Mar 2026 |
| EX1253275 |
Some users may experience issues when accessing their Exchange Online mailbox via one or more connection method
Exchange Onlineincident
|
Resolved |
16 Mar 2026 |
23 Mar 2026 |
| EX1256744 |
Admins may be unable to create shared mailboxes in Exchange Online
Exchange Onlineadvisory
|
Resolved |
20 Mar 2026 |
20 Mar 2026 |
