Professor Excel
How to Prevent Add-Ins to Disappear in Excel.

Excel Add-In Disappeared? 4 Methods to Prevent an Add-In to Disappear

You are using an Excel add-in that keeps disappearing? Also our add-ins, for example Professor Excel Tools, sometimes might disappear after restarting Excel. This article introduces four methods of how to prevent Excel (and other Microsoft Office) add-ins from disappearing.


exchange, rates, excel, currency, currencies, conversion

Currency Conversion in Excel: Tutorial + Free Excel Add-In

In today’s business world, there is hardly any Excel workbook not  using currencies and exchange rates. Example: When I want to know my revenue for the last month – let’s say of my Excel add-ins or books – I receive an Excel file containing data in various currencies. Because I’m located in Germany, I want to convert everything to Euro. That’s when the trouble starts: Which exchange rate do I use for example for converting US Dollar to Euro? And more importantly: Where do I get the currency exchange rate in a convenient and fast way?