Find your SharePoint libraries in macOS

OK, so technically, SharePoint Online (SPO) libraries don't mount but I know some dorks out there like us use that word, so let's use it for the SEO magic.

In Windows, when you visit an SPO site then click Sync...

...the OneDrive app dutifully syncs the library, mounts it (you keep using that word...), and automatically puts it in the navigation pane of File Explorer:

However, doing the same on your Macbook appears to do, well, nothing:

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Here's the trick: click on the OneDrive icon:

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Click "Help and Settings" and then click "Open Company Folder"

That will open a Finder window where your synced SPO libraries appear.

At this point, you have two options. You can:

1. Drag each folder to the Sidebar or
2. Go up one level and drag the parent folder to the Sidebar for a more Windows-like experience: