Hi @Jared Jarvis ,
Welcome to our forum!
Since the support for Office 2010 ended on October 13, 2020, and there will be no extensions and extended security updates, you can still use your office programs. For your better user experience, it is recommended that you use a newer version of office. For more information, please refer to: End of support for Office 2010.
For you mentioned with .prf file related issues, I have searched about it and found an official article, which mentioned that we can manually edit a .prf file: Customize Outlook profiles by using an Outlook Profile (PRF) file. If this doesn't work, I'm afraid you need to recreate a new .prf file.
Hope this will help you!
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.