Posted inExchange Online
(Updated) High Volume Email for Microsoft 365 upcoming general availability [MC1243552]
Message ID: MC1243552 (Updated) Updated March 12, 2026: We have updated the content. Thank you for your patience. [Introduction]Exchange Online includes email‑sending limits based on three factors: recipient rate limit, recipient limit, and message rate limit. To support customers whose internal…
![(Updated) High Volume Email for Microsoft 365 upcoming general availability [MC1243552] 1 (Updated) High Volume Email for Microsoft 365 upcoming general availability [MC1243552]](https://mwpro.co.uk/wp-content/uploads/2025/06/pexels-maumascaro-6489045-1024x683.webp)
![Retirement of -Credential parameter when connecting to Exchange Online PowerShell [MC1248389] 2 Retirement of -Credential parameter when connecting to Exchange Online PowerShell [MC1248389]](https://mwpro.co.uk/wp-content/uploads/2025/06/ai-generated-8028073_1920-1024x683.webp)
![Outlook Mobile: Follow a meeting option [MC1248393] 3 Outlook Mobile: Follow a meeting option [MC1248393]](https://mwpro.co.uk/wp-content/uploads/2025/06/pexels-francesco-ungaro-669319-1024x683.webp)
![Outlook: Support for recommended and automatically applied sensitivity labels in Outlook for iOS and Android [MC1247891] 4 Outlook: Support for recommended and automatically applied sensitivity labels in Outlook for iOS and Android [MC1247891]](https://mwpro.co.uk/wp-content/uploads/2024/08/pexels-inspiredimages-133190-1024x683.webp)
![(Updated) Microsoft Outlook for Windows: Add attachments while offline [MC1125491] 5 (Updated) Microsoft Outlook for Windows: Add attachments while offline [MC1125491]](https://mwpro.co.uk/wp-content/uploads/2025/06/palm-2445110_1920-1024x683.webp)
![Outlook: Share Word, Excel and PowerPoint local files via the new Outlook for Windows [MC1245222] 6 Outlook: Share Word, Excel and PowerPoint local files via the new Outlook for Windows [MC1245222]](https://mwpro.co.uk/wp-content/uploads/2024/08/pexels-pixabay-45853-1024x683.webp)