TrueType fonts combine the screen and printer font in a single file. Classics such as Times Roman, Helvetica and Courier were pioneers of that cross-platform format. TrueType gives a high level of control to its creator for proper display on the screen. Normally, they look nice on your end. OpenType fonts put a wrapper around the screen and printer font, making them look like a single file. They work very well in all situations. The format is cross-platform for the Mac and Windows. It is a registered trademark of Microsoft, developed with Adobe. Generally, when choosing between them, OpenType is the way to go.
TrueType fonts can be scaled to any size and are clear and readable in all sizes.They can be sent to any printer or other output device that is supported by windows... Opentype fonts are related to True type fonts,but incorporate a greater extension of the basic character set including small capitalization, old-style numerals, and more detailed shapes.Opentype fonts are also clear and readable in all the sizes and can be sent to any printer or other output device that is supported by windows...
TrueType fonts contain both the screen and printer font data in a single component, making the fonts easier to install. For this reason, TrueType is a good choice for those who have limited experience working with and installing fonts.And OpenType format permits the storage of up to 65,000 characters. This additional space provides type designers with the freedom to include add-ons such as small caps, old style figures, alternate characters and other extras that previously needed to be distributed as separate fonts.