Published: 4 July 2026. Source: OneDrive transitions to the cloud.microsoft domain (m365admin.handsontek.net). Microsoft 365 Message Center reference: MC1392563.
The OneDrive browser experience is getting a new domain. Starting in late July 2026, Microsoft will begin routing users who open OneDrive on the web to onedrive.cloud.microsoft instead of the familiar contoso-my.sharepoint.com address. Both domains remain active indefinitely, so shared links built on the old URL do not break. For most users the change is transparent. For SharePoint admins who maintain firewall rules, Conditional Access policies, or URL-dependent integrations, there are four areas worth reviewing before the rollout reaches your tenant.
What Is Changing: A Quick Reference
| Item | Before rollout | After rollout |
|---|---|---|
| OneDrive web URL (browser address bar) | contoso-my.sharepoint.com |
onedrive.cloud.microsoft |
| SharePoint Online team and communication site URLs | contoso.sharepoint.com |
Unchanged |
| SharePoint admin center URL | contoso-admin.sharepoint.com |
Unchanged |
| Microsoft Graph and SharePoint REST API endpoints | graph.microsoft.com, sharepoint.com APIs | Unchanged |
| Existing OneDrive shared links | sharepoint.com-based | Continue to work via automatic redirect |
| OneDrive sync client (Windows and macOS) | N/A | Unchanged |
| Consumer OneDrive (personal Microsoft accounts) | live.com domain | Not affected by this announcement |
Worldwide rollout begins in late July 2026, with completion expected in early August 2026. Microsoft may adjust the timeline; check MC1392563 in the Microsoft 365 admin center message center for the rollout wave specific to your tenant.
The transition is automatic and tenant-wide. There is no admin toggle to delay it, and no opt-out path for individual users or groups.
Who Needs to Take Action
For most organisations with standard networking, this requires nothing beyond awareness. The cases that warrant a closer look are below.
Firewall and proxy allow-lists
Network perimeters that control traffic by hostname pattern need to be extended to cover *.cloud.microsoft. An allow-list that includes *.sharepoint.com but not *.cloud.microsoft will block users from reaching the new OneDrive URL after the transition. The definitive list of Microsoft 365 network endpoints is maintained on Microsoft Learn and should be used as the authoritative source for any rule updates rather than manually maintained hostname lists.
Conditional Access policies
Conditional Access policies that target SharePoint Online or OneDrive for Business by application ID are unaffected. The Entra ID application registration does not change with the domain move. Review your policies only if they use host-pattern conditions or named locations that reference the OneDrive domain directly rather than the recommended application ID targeting.
Custom applications and Power Automate flows
Any in-house tool, integration, or automation that reads the OneDrive personal site URL from user profile properties and then stores or displays that URL should be tested. The MySiteUrl property returned by Microsoft Graph may update to reflect the new domain once a tenant's rollout completes. Components that hard-code or parse the sharepoint.com pattern in that URL will need adjustment. Test against a Targeted Release user before the change reaches your general population.
Intranet links and internal bookmarks
Hard-coded links to contoso-my.sharepoint.com in intranet pages or distributed as staff bookmarks will redirect automatically. This is the lowest-priority item for most admins, but it is worth noting in your next intranet housekeeping cycle.
What Is Not Changing
SharePoint Online site URLs at contoso.sharepoint.com are untouched. The Microsoft Graph, PnP PowerShell, the SharePoint Online Management Shell, and the SharePoint REST APIs all continue to use the same endpoint addresses. File content, metadata, permissions, sharing links, and version history are unaffected. The SharePoint admin center remains at contoso-admin.sharepoint.com.
ShareMaster connects to SharePoint Online through the SharePoint and Microsoft Graph APIs rather than the browser-facing OneDrive URL. No update to the ShareMaster desktop application is required, and the tools within ShareMaster continue to function without change after the domain transition.
Recommended Steps Before Late July
- Audit firewall, proxy, and Zscaler allow-lists for entries specific to
*.sharepoint.comand confirm whether a corresponding*.cloud.microsoftrule is present or needed. - Review Conditional Access policies for any that use host-based or named-location conditions referencing OneDrive URLs directly, rather than application ID targeting.
- Identify Power Automate flows or custom integrations that read and store the OneDrive personal site URL from user profile properties, such as the
MySiteUrlfield via Microsoft Graph. - Test those integrations against a Targeted Release user account before the main rollout completes for your tenant.
- Flag the change to your help desk team so they are prepared for user questions about the new address bar URL.
For admins auditing and managing shared links across SharePoint Online and OneDrive for Business, Recycle Master and the shared links audit guide remain relevant regardless of domain change.