To sync SharePoint library to your computer, it will use the OneDrive client for syncing.
Windows - By default if you have Windows 10, OneDrive is already installed
Mac - Download and install from the Mac App Store: https://apps.apple.com/au/app/onedrive/id823766827?mt=12
- Sign in to your organization's SharePoint in Microsoft 365 site with your account and open the library (Documents) that you wanted to sync
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- Click on the Sync button
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- Click on Open OneDrive
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- Enter your email address on the box and click Sign in
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- At the prompt, click Sync Now to start the sync app wizard. The wizard automatically fills in the name and web address of the library.
- You should be able to see the library you synced in your File Explorer
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