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you will get a faster response using office 365 support. <br />
they can pinpoint your issue for you.
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you will get a faster response using office 365 support.
they can pinpoint your issue for you.

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Office 365 SharePoint site,<br />
no longer accessible using<br />
<a href="https://" rel="ugc nofollow">https://</a>... sharepoint.com/sites/Site &nbsp;<br />
The page shows as 404 Not found<br />
<br />
Cannot access whether using a Windows internet browser or on a MAC<br />
<br />
However, <br />
<br />
The content in OneDrive is still accessible and can be seen and downloaded..<br />
<br />
Is there a way to troubleshoot or repair this so that the link works using a browser.<br />
<br />
On an Apple iPhone the SharePoint app and Office365 Administration works.
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Office 365 SharePoint site,
no longer accessible using
https://... sharepoint.com/sites/Site  
The page shows as 404 Not found

Cannot access whether using a Windows internet browser or on a MAC

However, 

The content in OneDrive is still accessible and can be seen and downloaded..

Is there a way to troubleshoot or repair this so that the link works using a browser.

On an Apple iPhone the SharePoint app and Office365 Administration works.

Office 365 Sharepoint Site is no longer accessible through browser

Microsoft Sharepoint is a software platform and family of software products used for collaboration and web publishing combined. These capabilities include developing web sites, portals, intranets, content management systems, search engines, wikis, blogs, and other tools for business intelligence and collaboration. SharePoint has a Microsoft Office-like interface, and it is closely integrated with the Office suite.

Microsoft SharePoint

Office 365 is a group of software plus services subscriptions that provides productivity software and related services to its subscribers. Office 365 allows the use of Microsoft Office apps on Windows and OS X, provides storage space on Microsoft's cloud storage service OneDrive, and grants 60 Skype minutes per month. Office 365 includes e-mail and social networking services through hosted versions of Exchange Server, Skype for Business Server, SharePoint and Office Online, integration with Yammer, as well as access to the Office software. All of Office 365's components can be managed and configured through an online portal; users can be added manually, imported from a CSV file, or Office 365 can be set up for single sign-on with a local Active Directory using Active Directory Federation Services.

Microsoft 365

Microsoft OneDrive (formerly SkyDrive) is a file hosting service and synchronization service operated by Microsoft as part of its web version of Office. First launched in August 2007, OneDrive allows users to store files and personal data like Windows settings or BitLocker recovery keys in the cloud, share files, and sync files across Android, Windows Phone, and iOS mobile devices, Windows and macOS computers, and the Xbox 360, Xbox One, and Xbox Series X and S consoles. Users can upload Microsoft Office documents to OneDrive.