Hello,
I am a newcomer to the forum, so hello everybody. I was asked to post a "Hello" thread but doing so seemed pointless to me, so instead I wanted to introduce myself in this thread where I actually ask a question.
My question is rather complex so let me explain in a little bit more detail: I am using Microsoft Office 2010 (Excel 2010) and have an Excel sheet with two columns. In column B, all rows are filled, whereas in column A, only some of them are filled with a value. When I copy the values of column B into another piece of software that I use that allows me to come up with some information pertaining to values of column B, the information it comes up with is information that is to be filled into column A. My goal here is to come up with an Excel sheet that has all of the values in column B filled (which it already did in the beginning) but as many values of column A filled, as well.
However, it is not as easy as simply copying and pasting the values the software comes up with into column A. That is for a couple of reasons. First of all, it only comes up with results for certain values of column B, not all of them. Secondly, and probably more importantly, I do not want to over-write the original values of column A with the new ones that the software has come up with. I want to keep the original ones and add as many new values from the software into column A as possible (into the cells that have so far been blank).
Is there a way to do so using an Excel function or some other tool you know of? The Excel sheet is a very large document and may contain about a hundred thousand rows, so manually going through the results and copying and pasting them into the Excel sheet one by one would be hugely painful and time-consuming.
If anything about my question is not clear, please let me know and I'll explain.
Thank you very much and again, nice to meet you!
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