Scotch Central: How to Save to SharePoint when using desktop apps [MacBook]
When you create a new document in Microsoft Apps (Word, Excel, etc.), please select Save As, and this will bring up a window like the image below.
If this is the first time saving to SharePoint, you will need to select [ONLINE LOCATIONS] Do not select OneDrive - Shared Libraries as in this first image.
Once [ONLINE LOCATIONS] has been selected, the screen image below will appear. To ensure we are saving documents straight to SharePoint, select Sites - Scotch > Scotch Central Folder
Then select your Department Folder
If you continually save in the same area, you can choose the following option - SET AS DEFAULT LOCATION