What does "No more new fonts may be applied" mean in Excel?

[Letty]

I'm trying to add several tabs to one worksheets with tables & graphs & it's
not letting me. It keeps say "No more new fonts may be applied in this
workbook".

 

[Franz Verga]

I'm trying to add several tabs to one worksheets with tables & graphs
& it's not letting me. It keeps say "No more new fonts may be
applied in this workbook".

maybe this is useful for you:

http://exceltips.vitalnews.com/Pages/T0213_No_More_Custom_Formats_Can_Be_Added.html

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Hope I helped you.

Thanks in advance for your feedback.

Ciao

Franz Verga from Italy