(2) Not all variables are required.

The variables are presented as “query string parameters”, delimited with the ampersand (?)

In Excel, theHYPERLINK functioncan be used to create links.

Example mailto link

The basic syntax is:

The link itself is a text string that represents a valid link.

The link text (called “friendly name” in Excel) is the text displayed to a user.

The formula is a bit tricky.

Example mailto link

In the code below, the ampersands in yellow are used for concatenation in Excel.

In quick testing with Gmail and Outlook, missing parameters seem to be ignored gracefully.

The behavior in other email applications may vary.

Example mailto link

The Excel HYPERLINK function returns a hyperlink to a given destination.

you’re free to use HYPERLINK to create a clickable hyperlink with a formula.

Example mailto link

Example mailto link

Excel HYPERLINK function