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How to I filter one list based on another list?
I have one customer-list showing which of our customers have been active the
last year (list1), and one list showing all of our customers and their adresses (list2). I want to send out a letter to all of the customers who have been active the last year. Both lists are sorted by customer-numbers. So list2 has the whole range from 100001 to 117950, and list1 shows approximately 4300 of these customers have been active in 2008 or 2009. I don't want to waste money on sending out letters to all the inactive customers, so.. Is there any way for me to sort list2, based on customer numbers, so that it only shows the customers present in list1? |
#2
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How to I filter one list based on another list?
I'd insert another column to show an indicator if the value appears on the
current customer list. I'd use a formula like: =isnumber(match(a2,sheet2!a:a,0)) True means that there is a match. False means that there is no match. Then either sort or filter or .... by this column. Erlend wrote: I have one customer-list showing which of our customers have been active the last year (list1), and one list showing all of our customers and their adresses (list2). I want to send out a letter to all of the customers who have been active the last year. Both lists are sorted by customer-numbers. So list2 has the whole range from 100001 to 117950, and list1 shows approximately 4300 of these customers have been active in 2008 or 2009. I don't want to waste money on sending out letters to all the inactive customers, so.. Is there any way for me to sort list2, based on customer numbers, so that it only shows the customers present in list1? -- Dave Peterson |
#3
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How to I filter one list based on another list?
This worked just as it should! Thanks a lot for the tip!
"Dave Peterson" wrote: I'd insert another column to show an indicator if the value appears on the current customer list. I'd use a formula like: =isnumber(match(a2,sheet2!a:a,0)) True means that there is a match. False means that there is no match. Then either sort or filter or .... by this column. Erlend wrote: I have one customer-list showing which of our customers have been active the last year (list1), and one list showing all of our customers and their adresses (list2). I want to send out a letter to all of the customers who have been active the last year. Both lists are sorted by customer-numbers. So list2 has the whole range from 100001 to 117950, and list1 shows approximately 4300 of these customers have been active in 2008 or 2009. I don't want to waste money on sending out letters to all the inactive customers, so.. Is there any way for me to sort list2, based on customer numbers, so that it only shows the customers present in list1? -- Dave Peterson |
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