Some UI components, such as dropdow lists, do support first letter navigation, i.e. lets the user navigate through the items of a list based on the first letter of the item's title. Here is a concrea...
EsterB
Microsoft
MicrosoftThanks for submitting this request! The team is working on a feature for Addin defined Keytips to allow the add-in to select which key tips are show to users for Add-ins. This will be released sometime next year.