The / symbol is usually used to show “or”. Use “or” instead of the slash to avoid confusion. If a slash is needed, there should be no space either side of it.

masculine or feminine or neuter
house name or number

In statistical work, the slash can indicate rates, such as miles/day or input/output.

In computing a forward slash / is used differently to a backslash \ so make sure you use the correct one.

We are constantly improving based on research and best practice. Any significant changes to our guidance are available on the Updates page.