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The 10 Studio add-in and the Pretty Formula add-in can be loaded from the add-in store. Precisely,

  1. Go to the Insert tab, via Add-ins followed by the Get Add-ins button, you can open a pop-up window of the add-in store.
  2. In the pop-up window, enter 10 Studio or Pretty Formula in the search bar, and click on Add on the right, then agree to the terms and conditions.
  3. Then you could see the 10 Studio or Pretty Formula tab on the top of your Excel, which means the add-in has been loaded successfully. You could click on the buttons under the tab to launch its functions.

Here are screenshots in Excel for Windows; the steps are the same in Excel for Mac and Excel Online:

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