Guidelines for spelling out acronyms

Last Updated : Feb 27, 2024 |

Spell out an acronym the first time you use it in your document, unless the acronym is well-known. Put the acronym in parentheses after the spelled-out form. For example:

Example

Use Enhanced List Application (ELA) to create mailing lists that contain up to 150,000 recipients.

Do not spell out well-known acronyms, such as RAM and TCP/IP. If your document has a glossary, you can include a glossary entry for acronyms.

When you expand or use an acronym, do not repeat a part of the term that one of the letters represents.

Preferred

Discouraged

RTU

RTU unit

LCM

LCM module