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SharePoint China

Mount a document library of SharePoint Online operated by 21Vianet in China as a Windows drive.

Before you begin

Prepare the following in advance:

  • A work or school account on a 21Vianet-operated Microsoft 365 tenant (partner.microsoftonline.cn). For global tenants, use SharePoint instead.
  • Your organization must allow third-party app consent.

Connect

  1. Click Add in the toolbar.
  2. Choose Business → SharePoint China.
  3. Set the drive letter and name, then click the Refresh button next to the site list and sign in on the 21Vianet portal.
  4. Select the site to mount, then click Connect.

SharePoint China connection dialog

Settings

Setting Description Default
Site The SharePoint site whose library is mounted —
Drive letter Where the drive mounts in Windows first available
Read-only Blocks writes to the mounted drive off

Behavior & limits

  • The site list shows sites of groups you belong to, as on global SharePoint.
  • File names containing " * : < > ? / \ | cannot be saved — see Microsoft's restrictions list.

Troubleshooting

Symptom Cause Fix
Sign-in fails with a valid account Account belongs to the global cloud Use the regular SharePoint entry in the Business tab
Expected site not in the list Not a member of the site's group Ask the site owner for membership, then click Refresh again