Symbol tag contents

Is there an easy way to see what the symbol tag fields are? I am linking to Microsoft Project.

Is the Symbol tag case sensitive? Does it matter if I enter it upper or lower case?

First, the symbol tag is not case sensitive. You can enter it with either upper or lower case. There can be no blanks in the field.

Here is how to view the symbol tag fields easily:

Click any symbol which has a tag. The toolbar changes to Current Object: Symbol.
At the bottom of the toolbar, click the small Symbol Links tab.
Click Create/Edit tag for Refresh

The Build Symbol Tag for Refresh dialog box offers an alternative to typing in a tag: