Hi @Russell Gentile ,
I’m sorry, but currently, Outlook does not provide an option to set "The entire series" as the default for opening recurring items.
Many features of our current products are designed and upgraded based on customers’ feedback. With requirements like this increase, the problem may well be released in the future. You can help us improve the product by providing feedback about your experience.
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.