how does dropbox work on a mac special folder

If you're using iCloud, Dropbox, or Google Drive cloud storage in macOS, you can easily share their macOS folders with Windows. To map the macOS Trash to the Windows Recycle Bin, select Merge Recycle Bin with Trash. If you only want to map some of the folders, click Configure and select the folders you want. Your macOS Desktop, Documents, Pictures, Music, Movies, and Downloads folders are merged with the corresponding Windows folders, and the macOS Trash is merged with the Windows Recycle Bin. To enable this functionality, select Share Mac user folders with Windows. So for example, if you save a file to the Documents folder, it will be in the Documents folder whether you're using a macOS application or a Windows application. You can set macOS and Windows to use the same folders for things like music, documents, pictures, your desktop, and deleted files. You will not be able to add items to the folder. Restrict writing to this folder by clicking Read & Write in the Permissions folder and choosing Read only.Change the folder name that will be displayed in Windows by double-clicking the folder name in the Name column and typing another name.Disable the folder sharing by deselecting On.Once you share a macOS folder with Windows you can:

You can add more folders by clicking the add (+) button again. To share any folder you want, click Custom Folders and click the add (+) button, then choose the folder you want to share.To share all your macOS folders, choose All disks from the Share folders menu.To share just the folders in your Home folder, choose Home folder only from the Share folders menu.To enable macOS folders for sharing with Windows applications, do one of the following: When you open a file (for example, by choosing File > Open in many applications), your shared macOS folders appear as network shared directories labeled '\Mac'. With folder sharing enabled, you can navigate to any shared macOS folder from within a Windows application. To open these settings, choose Actions > Configure > Options, then click Sharing. In the Sharing pane, you can view and configure the virtual machine sharing settings.

How does dropbox work on a mac special folder