Fix Claude Add-In Installation

Claude for Outlook refuses to install. Every time I click “Get Add-in,” the Microsoft Store tab at pages.store.office.com comes back with an HTTP 500 error and nothing proceeds. I’m running Outlook 365... (Budget: $10 - $30 USD, Jobs: Desktop Support, Installation, Microsoft Office, Microsoft Outlook, Office 365, Office Add-ins, Technical Support, Troubleshooting)