NNTO

What does NNTO stand for?

No need to open

When you see NNTO in an email's subject line, it means there's "no need to open" that email. The email's subject is its message (SIM), so opening the email would be a waste of time - because it has no body text.

Typically, people include NNTO at the end of short messages that fit in an email's subject line, such as "Nice job!" or "Thank you!" They also often place NNTO in brackets (< >), to separate it from the email's actual message.

Example

Subject: Thank you! <NNTO>

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Updated August 16, 2022

NNTO definition by Slang.net

This page explains what the acronym "NNTO" means. The definition, example, and related terms listed above have been written and compiled by the Slang.net team.

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