Formatting

link - support.microsoft.com/en-gb/office/format-field-results-baa61f5a-5636-4f11-ab4f-6c36ae43508c

Preserve Formatting

\* MERGEFORMAT 

Formatting first Character

\*Charformat   

This switch applies the formatting of the first letter of the field name to the entire result. The result of the following example has bold formatting because the R in REF is bold.

Formatting Dates

Formatting Times

Formatting Numbers