File in use error

[Maverickcool]

hi

i'm trying to export through the response xlsm file which contains a macro.

in the 'save/open' dialog box if I choose to open the file then when I click on the macro

I get the 'file in use' error. this is only when opening the file using explorer.

for xls file it's ok.

here is a snippet:

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any idea why i'm getting this ?

thanks