Given that F3 is kinda-sorta the universal accelerator key for search functionality all over Windows apps it's no surprise it's used this way in Outlook along with myriad other applications.
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Brian? ¡¤ ¡á? ¡¤ ???? ¡¤ ?Virginia, USA?- Windows 11 Pro, Version 24H2, Build 26100; M365 Family; Android 13 (Xiaomi HyperOS 1.0.10.0)
. . . too many colleges are beginning to look like country clubs that happen to teach stuff, not educational institutions that happen to have a gym.
????? ~ Bret Stephens, in New York Times Op-Ed, , June 18, 2019