When you click a OneDrive for Business web upload link in Microsoft Edge, your browser may open the wrong tenant — the OneDrive site of a different organization than the one you intended. This happens because Edge caches multiple Microsoft 365 identities and sometimes selects the wrong account when opening a new tab. This guide … Read more
When you try to upload a file to OneDrive for Business in Microsoft Edge, the browser opens the wrong Microsoft 365 tenant. Instead of your work or school account, you see a different organization’s sign-in page or a blank error. This happens because Edge stores cached credentials and cookies from multiple Microsoft accounts, and it … Read more
When Edge users click the upload button in a SharePoint or OneDrive web interface, the browser sometimes opens the wrong Microsoft 365 tenant. Instead of the expected company tenant, users see a login prompt for a different organization or an error that the file cannot be uploaded. This problem occurs because Edge caches authentication tokens … Read more
When you sign in to upload files via the OneDrive for Business web interface in Chrome, the browser might redirect you to a different Microsoft 365 tenant than your own. This typically happens when you have active sessions for multiple work or school accounts in the same browser. The conflict causes Chrome to reuse cached … Read more
When you click the Upload button on OneDrive for Business in Google Chrome, the browser sometimes opens a login page or a file picker that belongs to a different Microsoft 365 tenant than your organization. This prevents you from uploading files and may display files or folders you do not recognize. The problem occurs because … Read more
When Chrome users click the web upload button in OneDrive, they sometimes land on the wrong Microsoft 365 tenant. Instead of their company login page, they see a personal account or a different organization. This happens because Chrome caches authentication cookies and redirects based on the last active session. This article explains the root cause, … Read more
When you tap Upload in the OneDrive for Business app on an iPhone or iPad, the file picker sometimes opens a web browser that shows files from a different tenant than your work account. This happens because the iOS file picker uses a cached authentication session from another Microsoft 365 tenant, usually from a personal … Read more
When you tap the Upload button in an iOS app and choose OneDrive for Business, the browser opens your personal OneDrive or a different work tenant instead of the correct company account. This happens because iOS stores a cached browser session that points to the last-used Microsoft identity, and the web upload flow does not … Read more
When iOS users tap the upload button in Safari or another browser and see a OneDrive sign-in page for the wrong Microsoft 365 tenant, file uploads fail or go to the wrong organization. This happens because iOS Safari and many third-party browsers cache the authentication state from a previous session, especially when a user has … Read more
When you tap the web upload button in the OneDrive for Business app on Android, the browser sometimes opens the wrong Microsoft 365 tenant. Instead of your work or school account, you see a personal Microsoft account or a different organization’s login page. This happens because the Android WebView or the default browser caches authentication … Read more