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Can I know if Excel file with macros is safe? [closed]

asked 2016-10-18 19:06:11 +0100

catbill gravatar image

I have an Excel file but am not sure if I can trust it. Is there any way to figure out if it would be safe to open it? If not, is there any way to see a preview?

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Closed for the following reason the question is answered, right answer was accepted by catbill
close date 2017-09-10 18:38:51.841610

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answered 2016-10-18 19:38:46 +0100

mark_t gravatar image

Assuming you are going to open the Excel using Calc, otherwise you should be posting in an Excel forum.

Before opening the file, open Calc on your system and check under Tools, Options, expand LibreOffice and select Security. Click on "Macro Security...". Make sure security is set to at least Medium.

Then if you open a file with macros you will get a warning and you can disable macros. You can then view the macros embedded in the file and see what they try to do before re-opening the file and enabling macros.

If the macros are complicated or you don't understand them it might be better to leave them disabled.

If you need to try the macros without risk to your computer then consider using a sandbox or virtual box to test the macros.

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Asked: 2016-10-18 19:06:11 +0100

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Last updated: Oct 18 '16