Users can't search using keywords in Outlook.com

Title: Users can't search using keywords in Outlook.com
User impact: Users can't search using keywords in Outlook.com.
More info: When attempting to search, users receive an error which states "Sorry, something went wrong. Please try again later."
Current status: We're continuing to investigate into the 401 exception errors to confirm the source generating these errors and determine a plan to remediate impact.
Next update by: Thursday, July 6, 2023, at 7:30 PM UTC

Title: Users can't search using keywords in Outlook.com
User impact: Users can't search using keywords in Outlook.com.
More info: When attempting to search, users receive an error which states "Sorry, something went wrong. Please try again later."
Current status: Our initial review of Outlook.com server logs, in parallel with HTTP Archive format (HAR) logs captured during an internal reproduction of impact, indicates 401 errors are occurring due to an exception when users attempt to perform the search. We're continuing to investigate to confirm the source generating these exception errors and determine methods to remediate impact.
Next update by: Thursday, July 6, 2023, at 2:30 AM UTC

Title: Users can't search using keywords in Outlook.com
User impact: Users can't search using keywords in Outlook.com.
More info: When attempting to search, users receive an error which states "Sorry, something went wrong. Please try again later."
Current status: We've identified an issue is occurring affecting users' ability to search using keywords in Outlook.com, and are reviewing Outlook.com service logs to identify potential sources of impact for further troubleshooting.
Next update by: Thursday, July 6, 2023, at 12:30 AM UTC