If you want to get the most out of OneDrive, we recommend using a OneDrive sync app for Mac such as CloudMounter. The Ideal OneDrive Desktop Mac App – CloudMounter Step 4: Once you download OneDrive for Mac, OneDrive is ready for use. Step 3: Once you’ve found it, click on it and install it. Step 2: Use the search function to search for the OneDrive app for Mac. Step 1: All you need to do is open the App Store on your Mac. While a third-party program may be the best way to make use of Microsoft OneDrive for Mac, you can still install it in a pretty straightforward manner from the App Store. You can save important data, or simply use it to back up any music or films you might have. In terms of personal use, OneDrive is generally used as an online storage system. It’s often used by businesses as a way of sharing documents and collaborating on them. OneDrive offers users a huge range of different functions. The Ideal OneDrive Desktop Mac App – CloudMounter.