Keep security at Medium. You are still asked whether to enable macros in the
workbook, so something cannot run without your approval.

- Jon
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Jon Peltier, Microsoft Excel MVP
Tutorials and Custom Solutions
http://PeltierTech.com
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"Steven" wrote in message
...
I have a macro I use for a spreadsheet and every time I open the workbook,
it gives the warning about it being disabled because my security is too
high. I want to keep my security high, for macros I use that I did not
write. So how can I set it up to avoid that? How can I "sign" it or
whatever it takes?

TIA

Steven