Posted inMicrosoft 365 suite
(Updated) Outlook: retiring “Contact Masking” (hide suggested recipients) – March 31, 2026 [MC1234566]
Message ID: MC1234566 (Updated) Updated March 13, 2026: We have updated the content. Thank you for your patience. [What’s changing] In Outlook, users can hide a suggested recipient while addressing an email. For example, selecting the X next to a name…
![(Updated) Outlook: retiring “Contact Masking” (hide suggested recipients) - March 31, 2026 [MC1234566] 1 (Updated) Outlook: retiring “Contact Masking” (hide suggested recipients) – March 31, 2026 [MC1234566]](https://mwpro.co.uk/wp-content/uploads/2024/08/pexels-wildlittlethingsphoto-4402093-1024x683.webp)
![Copilot extensibility: Microsoft 365 Copilot Declarative Agents model upgrade to GPT‑5.2 [MC1251203] 2 Copilot extensibility: Microsoft 365 Copilot Declarative Agents model upgrade to GPT‑5.2 [MC1251203]](https://mwpro.co.uk/wp-content/uploads/2025/06/palm-2445110_1920-1024x683.webp)
![(Update)Microsoft Entra ID: General Availability of passkey profiles and migration for existing Passkeys (FIDO2) tenants [MC1221452] 3 (Update)Microsoft Entra ID: General Availability of passkey profiles and migration for existing Passkeys (FIDO2) tenants [MC1221452]](https://mwpro.co.uk/wp-content/uploads/2025/06/pexels-ken-tomita-127057-389818-1024x683.webp)
![Microsoft Viva Engage | Email sender domain migration from @yammer.com to @engage.mail.microsoft [MC1251200] 4 Microsoft Viva Engage | Email sender domain migration from @yammer.com to @engage.mail.microsoft [MC1251200]](https://mwpro.co.uk/wp-content/uploads/2024/08/pexels-javon-swaby-197616-2767540-1024x683.webp)
![Microsoft Teams: Identify external bots joining your Teams meetings [MC1251206] 5 Microsoft Teams: Identify external bots joining your Teams meetings [MC1251206]](https://mwpro.co.uk/wp-content/uploads/2024/08/pexels-steve-27594600-1024x683.webp)
![(Updated) Content Security Policies (CSP) are coming to SharePoint Online and might impact your custom SPFx solutions [MC1193419] 6 (Updated) Content Security Policies (CSP) are coming to SharePoint Online and might impact your custom SPFx solutions [MC1193419]](https://mwpro.co.uk/wp-content/uploads/2025/06/teapot-6123746_1920-1024x683.webp)