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I have a table of 2 columns - file name & PC ID. What I need is list of all 3-letter prefixes - for each PC ID separate. For example:


BUSstop1  PC1
BUSstop3  PC2
TRMstop8  PC1
BIKnet1   PC1

I want to see something like this:


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up vote 1 down vote accepted

Add the formula =LEFT(A1,3) to column C.

Then, create a pivot table based on the data in the three columns. First drag the field with the PCs in the row field, then the field with the calculated 3 letter codes.

Done! :-)

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Thanks, didn't even know about pivot tables. – mikelowa Feb 28 '13 at 2:09
They're by far the most powerful feature in Excel! Play around a bit - and in future you'll use it for every analyses that involve more than 10 rows and 2 columns of source data, I'll promise! – Peter Albert Feb 28 '13 at 7:06

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