Using Classic Outlook on Windows for personal email, calendar, and contact management
Hello everyone - I was also searching for this feature and kept googling around. I am not sure if this has already been said on the previous 27 pages here but I found out that the feature is currently "in Rollout" by Microsoft:
Link to Roadmap https://www.microsoft.com/en-us/microsoft-365/roadmap?filters=Desktop%2COutlook&searchterms=folder%2Creorder
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It's also not possible on my site - I also have a few customers who are awaiting this feature.