The file or folder name contains characters that are not permitted. Please use a different name.

The file or folder name contains characters that are not permitted. Please use a different name.

When you try to create a folder name or list in SharePoint you might have come across this error.The reason is that there are some restrictions on the characters that you cannot use in site names, folder names, and file names in SharePoint.

Site names, subsite names, or site group names

You cannot use the following characters anywhere in a site name, in a subsite name, or in a site or Active Directory group name:

- Tilde (~)

- Number sign (#)

- Percent (%)

- Ampersand (&)

- Asterisk (*)

- Braces ({ })

- Backslash (\)

- Colon (:)

- Angle brackets (< >)

- Question mark (?)

- Slash (/)

- Plus sign (+)

- Pipe (|)

- Quotation mark (")

You cannot use the above characters anywhere in a folder name or a server name or in a file name

More details on this can be found at Reference