The @ symbol can also appear in regular formulas outside of tables when Excel thinks you're trying to reference a single value from a range. If you see it pop up unexpectedly, it usually means Excel ...
Excel offers no such constraint. If someone is determined to enter bad data, they can simply paste values over a validated ...
Passkeys are becoming increasingly common and, thankfully, easier to use. 1Password can now be set as your default passkey manager in Windows 11. Other password manager apps should follow closely.