Keep tracking to a minimum
Risk
Unwanted spaces may be detected by the proofreading software on the final approved material.
Issues
The proofreading software may detect an invalid space when the tracking is set to a higher value.
Extra spaces between letters may be detected when text is extracted.
Example

Solution
Do:
✅ Use OpenType Pro fonts.
✅ Adjust the tracking to less than 120% or keep it at its default value.
Don’t:
❌ Adjust the tracking to more than 120% when using an OpenType PostScript flavor.
Tips
The following steps describe how to view information about a given font when using Apple Font Book on a Mac system:
Go to View and select Show Font Info.
Select the font.
View the font type (i.e. OpenType, TrueType).