We have built a VBA tool which feeds predefined Word template equipped with bookmarks with data from Excel table.
We have build a simple calculator using Excel that calculates the upload and download times for files over a satellite network ASE 9700.
We created Excel tool that generates XML files from combining a constant part with values from Excel. These files are invoices for Amazon.
We integrated image import from cell URL. Whenever cell value changes, old image is deleted and fresh image is imported into target range properly sized and positioned.