XonGrid add-in problem

kevlongo

New Member
Joined
Jun 14, 2020
Messages
3
Office Version
  1. 365
Platform
  1. Windows
Hi everyone,

I am working in an excel file, which I need to use a interpolate/extrapolate function to extrapolate some values on a table.
I have found an add-in called XonGrid that can provide me with what I need. I installed as the website (XonGrid Interpolation Add-in) explains, but unfortunately, when I try to open, an error appears:
«The file format and extension of 'XonGrid-we64.xll' don't match. The file could be corrupted or unsafe. Unless you trust its source, don't open it. Do you want to open it anyway?»
I clicked yes and a file with strange characters opened, that seems a code file. But anyway, when I go to my file, no functions relating to this add-in appear in fx.
Does someone know what I have to do for fixing this problem?

Thanks
 

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