Excelzero (also known by the very long name of Excel Add Leading & Ending Zeros Software) is a plugin to add to the MS Excel that will allow you to add zeros together to a block of selected cells.
These zeros numbers can be located in different parts of the cell: at the beginning, at the end, before a certain character, after that character, in a specific position of the text (for example from character 4), after that position , etc.
That is, with Excelzero you will have a tool that will save you a lot of effort and time if you were in the position of adding zeros to certain cells, because in a single operation you can automatically change and edit the content of many cells.
For proper operation you need to have MS Excel 2000 or higher installed.
You can free download Excelzero 32, 64 bit and safe install the latest trial or new full version for Windows 10 from the official site.