Hi,
I assume that using http://www.excelforum.pl/download.htm?id=69841 I could find what changes / how "range is variable"
So the first suggestion is that data is added or removed at the bottom of the range, column A has some kind of index/unique ID so is filled in every data row.
If that's not enough, then probably my tool from the link above is not strong enough. And then I'll write basically the same as few posts above but in more open way:
Will you please attach a SMALL sample Excel workbook(s) (10-20 rows of data is usually enough)? Please don't attach a picture of one (no-one will want to re-type all your stuff before starting).
1. Make sure that your sample data are truly REPRESENTATIVE of your real data. (If trere are typical cases like: all unique values/duplicates could occur, day/night, nobody present/several persons at once, before/on/past due, etc. - please show them all or at least indicate in text) The use of unrepresentative data is very frustrating and can lead to long delays in reaching a solution.
2. Make sure that your desired solution(s) is/are also shown (mock up the results manually).
3. Make sure that all confidential/restricted information (either personal or business) like real e-mails, social security numbers, bank accounts, etc. is removed first!!
To attach an Excel file you have to do the following: Just before posting, scroll down and press Go Advanced button and then scroll down and press Manage Attachments link. Now follow the instructions at the top of that pop-up screen.
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