Writing & StyleStyle guide
ASAP Capitalization and Punctuation
ASAP/asap abbreviates “as soon as possible.” Cambridge records both uppercase and lowercase forms in Business English, so capitalization is style-dependent rather than a grammar test.
“ASAP” means “as soon as possible.” Cambridge also records lowercase “asap” in Business English, and its documented forms do not use internal periods.
Key details
Core IssueBoth ASAP and asap are documented; capitalization is context/style dependent.
Phrase Roleabbreviation for as soon as possible
Registergeneral and business writing
Important caveats
Punctuation Boundary
The documented Cambridge forms are written without internal periods; follow house style for capitalization.
Further guidance
Capitalization
Cambridge Business English explicitly records both “asap” and “ASAP.”
Meaning
ASAP abbreviates “as soon as possible.”
Sources and evidence
Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.
- ASAP — Cambridge Dictionary (opens in a new tab)Cambridge Dictionary · ASAP/asap meaning and capitalization variants in Business English