What is a .XLL File And How To Open It – Microsoft

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Have you downloaded a file with .xll extension, but you are not sure what it is? You most likely know what the file is, but you might be unsure on how to open it. Fear not, in this article we will show you how to easily open the .xll file in few simple steps on various systems.

What is a .XLL file?

The .XLL file extension is Microsoft Excel Add-In File. The creator of this file extension is Microsoft. This plugin related file is in binary format.

What to know

There is currently 0 software that can open the .xll file on 0 platforms.


Unfortunately, we haven’t found a software associated with this file extension yet, however we are working on it!