Conversion of xlsx files to vsd file format

You can certainly import Microsoft Excel spreadsheet to Microsoft Visio via the Insert ► Object.. function.  Once this is done you can use the tables from Excel workbooks (.xlsx, .xls) and the data from these tables will be then visible in Visio workspace and can be saved as part of Visio projects. This is pretty muc what xlsx to vsd conversion represents.

Open XLSX file    Open VSD file

Related software

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Microsoft Visio

A vector based diagramming software from Microsoft