“Check your e-mail.”
Spelling Entry 1129 / 1350 60-second read
E-mail vs. Email
Both valid; modern style prefers solid.
The comparisoni
“Check your email. (Both valid; solid form is now preferred.)”
The ruleii
¶
Both OK; solid EMAIL is now standard.
E-MAIL with a hyphen was standard through the 2000s. AP dropped it in 2011; major stylebooks followed. EMAIL is now the default. The hyphen survives only in very formal writing.
Memory aidiii
Remember it like this
Modern default: email.