Posted inMicrosoft 365 suite
Exchange Online, SharePoint Online, and Microsoft Teams: April 2026 industry-wide DigiCert Global Root CA (G1) distrust [MC1282565]
Message ID: MC1282565 [Introduction]To support industry-wide security improvements and modern cryptographic standards, browsers and platforms that follow Mozilla and Chrome trust stores will begin distrusting the DigiCert Global Root CA (G1) starting April 15, 2026. Microsoft has already migrated Microsoft 365 services…
![Exchange Online, SharePoint Online, and Microsoft Teams: April 2026 industry-wide DigiCert Global Root CA (G1) distrust [MC1282565] 1 Exchange Online, SharePoint Online, and Microsoft Teams: April 2026 industry-wide DigiCert Global Root CA (G1) distrust [MC1282565]](https://mwpro.co.uk/wp-content/uploads/2025/06/pexels-pixabay-276517-1024x683.webp)
![(Updated) Microsoft 365 admin center: Organizational Messages to support email delivery [MC1189665] 2 (Updated) Microsoft 365 admin center: Organizational Messages to support email delivery [MC1189665]](https://mwpro.co.uk/wp-content/uploads/2024/08/pexels-googledeepmind-25626520-1024x683.webp)
![Message center post structure updates may require admin script changes [MC1282308] 3 Message center post structure updates may require admin script changes [MC1282308]](https://mwpro.co.uk/wp-content/uploads/2025/06/pexels-pixabay-86596-1024x683.webp)
![Modernized Change Management for Microsoft 365 [MC1282306] 4 Modernized Change Management for Microsoft 365 [MC1282306]](https://mwpro.co.uk/wp-content/uploads/2025/06/pexels-letssnacktoronto-1630344-1024x683.webp)
![Message center post structure updates may require admin script changes [MC1282308] 5 Message center post structure updates may require admin script changes [MC1282308]](https://mwpro.co.uk/wp-content/uploads/2025/06/pexels-designecologist-2782919-1024x683.webp)
![Organizational Data Export Capability for Tenant Admins [MC1280545] 6 Organizational Data Export Capability for Tenant Admins [MC1280545]](https://mwpro.co.uk/wp-content/uploads/2024/08/pexels-karolina-grabowska-4039487-1024x683.webp)