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Port Requirements for SharePoint Online

The following table contains network ports that must be opened for backing up Office 365 Sites.

Environment

Source

Destination

Protocol

Ports

URL

All regions

Proxy computer

SharePoint Online

HTTPS

  • 443

  • 80

  • *.sharepoint.com

  • https://www.office.com/

  • https://*.blob.core.windows.net/

  • https://login.microsoftonline.com/

  • https://graph.microsoft.com/

For more information, go to the Microsoft Documentation website, SharePoint Online and OneDrive for Business.

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