How to Install Gem Menu for Mac OneNote?

Quit OneNote for Mac
Quit OneNote before install add-ins.
You must quit the add-ins also if you want to update the add-ins,

Download Gem Menu for Mac OneNote

Download Gem Menu for Mac OneNote from product web page:
https://www.onenotegem.com/gem-menu-for-mac-onenote.html

Install Gem Menu for Mac OneNote

After download Gem Menu for Mac OneNote, Mac will pop up a security window refuse install the app.

Open "System Preferences" -> "Security & Privacy" -> "General" tab -> "Allow apps downloaded from:" -> "MacONGemMenu-1.0.0.0.pkg" was blocked from opening because it is not from an identified developer. -> click "Open Anyway" button -> to install.

Gem Icon Appear on Mac Menu Bar

After complete install, the Gem icon appear on Mac menu bar.

Where is Gem Menu installed?

Gem Menu install in "Application" / "Utilities".

Elevate Permissions
After macOS 10.15, you need to elevate the permissions of Gem Menu for OneNote.app.
In macOS's System Preferences –> Security & Privacy –> Privacy –> Accessibility
Add the Gem Menu for OneNote.app in the /Appliactions/Utilities and check it to allow the app to control your computer.

After add Gem Menu to Accessibility, it need to restart the Gem Menu for OneNote.app.

Installing the Add-In Failure

If there is a problem with the installation, please contact our staff for support. Technical support