Allow option of automatic favourite folders , add these based on usage e.g. the number of views of the folder, recent messages moved there
You can now have your important folders listed at the top of your folder tree by marking them as favorites in the app.
To do so tap on the 3 horizontal lines on the top left of the app screen> choose the email account you want to work with> tap on the pencil icon next to the word folders at the top of your side bar> scroll through your list of folders and tap on the star icon on the left hand side of each folder you would like marked as a favorite then simply tap on the checkmark on the top right corner when done.
Having trouble finding the feature? Let us know through the Help section of the app. You may reach them by going to the app’s Setting > Help and Feedback > Contact Support.
Thank you again for your support, we look forward to hearing more of your ideas very soon.
All the best,
The Outlook Mobile Team
PS: Please use the Help Section of the app for any questions, we are not able to see replies to this address.