User Guide

FontLab 4
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Another FontLab feature is its ability to save simple lookups and some
glyph information in VOLT format so you can start working on a font in
FontLab then continue in VOLT.
You can save font features defined in FontLab in two ways:
1. Use the button in the OpenType panel to open a menu and then select
the Save Features command to open a File Save dialog box. Select
VOLT project files (*.vtp) as the destination format and FontLab will
try to save the features in VOLT format.
2. Turn on the Export VOLT data option in the Tools > Options >
OpenType menu and save the font as a TrueType-flavoured OpenType.
FontLab will write both binary OpenType tables and tables that VOLT
can read so you can open this font in VOLT and continue editing
features.
Option 2 is the only way to open the OpenType font containing the features
for editing in VOLT. By itself it cannot decompile binary OpenType tables.