How do I output the currency symbol?

 

The data type is Currency or Date/Time can be set the formatting. Available in Ver.2.0 or later.

 

Word/PowerPoint/PDF

e.g. {!Case.TestCurrency__c, $#,##0}

Value: 1234

Result: $1,234

 

Excel

Merge fields cannot be formatted. Set from Excel's cell formatting.

 

Instruction manual

Formatting of Date and Date/Time Fields