Try this (It's a windows setting)

Right-click on any empty space in the desktop choose Properties

Select Appearance tab Advanced button
(in Win XP)

In the Advanced Appearance dialog:
Click on "Item" dropdown menu choose Tooltip
Choose a font type and its size OK Apply

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Rgds
Max
xl 97
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GMT+8, 1° 22' N 103° 45' E
xdemechanik <atyahoo<dotcom
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"Evans-DC" wrote in message
...
Is there a way to change the default setting for comments to a different
font
& point size that covers the whole work sheet rather than making changes
to
each individule comment?