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You have a formula there that seems to be the correct one based on your question.<br />
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Why do you think it is not working? &nbsp;Apr 2, 2016 shows up multiple times in column A so you are getting a sum of all those times.
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You have a formula there that seems to be the correct one based on your question.

Why do you think it is not working?  Apr 2, 2016 shows up multiple times in column A so you are getting a sum of all those times.

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Ah... you are right. So how can I get the SUMIF to accept a second criteria? Basically there are stores and I only need the demand for one store for previous week. Second example attached.<br />
<a href="https://filedb.experts-exchange.com/incoming/2016/10_w44/1124704/Example-2.xls" target="_blank" class="file-inline" title="Example-2.xls (5.2 MB)"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M67.508 468.467c-58.005-58.013-58.016-151.92 0-209.943l225.011-225.04c44.643-44.645 117.279-44.645 161.92 0 44.743 44.749 44.753 117.186 0 161.944l-189.465 189.49c-31.41 31.413-82.518 31.412-113.926.001-31.479-31.482-31.49-82.453 0-113.944L311.51 110.491c4.687-4.687 12.286-4.687 16.972 0l16.967 16.971c4.685 4.686 4.685 12.283 0 16.969L184.983 304.917c-12.724 12.724-12.73 33.328 0 46.058 12.696 12.697 33.356 12.699 46.054-.001l189.465-189.489c25.987-25.989 25.994-68.06.001-94.056-25.931-25.934-68.119-25.932-94.049 0l-225.01 225.039c-39.249 39.252-39.258 102.795-.001 142.057 39.285 39.29 102.885 39.287 142.162-.028A739446.174 739446.174 0 0 1 439.497 238.49c4.686-4.687 12.282-4.684 16.969.004l16.967 16.971c4.685 4.686 4.689 12.279.004 16.965a755654.128 755654.128 0 0 0-195.881 195.996c-58.034 58.092-152.004 58.093-210.048.041z"/></svg>Example-2.xls</a>
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Ah... you are right. So how can I get the SUMIF to accept a second criteria? Basically there are stores and I only need the demand for one store for previous week. Second example attached.
Example-2.xls [https://filedb.experts-exchange.com/incoming/2016/10_w44/1124704/Example-2.xls]

Example-2.xls

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Hi, try below array formula, remember to press Ctrl+shift+enter<br />
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=SUM(IF(($A$2:$A2&gt;=($A2-6)<wbr />)*($A$2:$A<wbr />2&lt;=$A2), $B$2:$B2, 0))
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Hi, try below array formula, remember to press Ctrl+shift+enter

=SUM(IF(($A$2:$A2>=($A2-6))*($A$2:$A2<=$A2), $B$2:$B2, 0))

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Example Dataset attached. How can I use SUMIF to find the number from column B from the previous week which is A2-7?<br />
<a href="https://filedb.experts-exchange.com/incoming/2016/10_w44/1124697/Example.xls" target="_blank" class="file-inline" title="Example Data (2.7 MB)"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M67.508 468.467c-58.005-58.013-58.016-151.92 0-209.943l225.011-225.04c44.643-44.645 117.279-44.645 161.92 0 44.743 44.749 44.753 117.186 0 161.944l-189.465 189.49c-31.41 31.413-82.518 31.412-113.926.001-31.479-31.482-31.49-82.453 0-113.944L311.51 110.491c4.687-4.687 12.286-4.687 16.972 0l16.967 16.971c4.685 4.686 4.685 12.283 0 16.969L184.983 304.917c-12.724 12.724-12.73 33.328 0 46.058 12.696 12.697 33.356 12.699 46.054-.001l189.465-189.489c25.987-25.989 25.994-68.06.001-94.056-25.931-25.934-68.119-25.932-94.049 0l-225.01 225.039c-39.249 39.252-39.258 102.795-.001 142.057 39.285 39.29 102.885 39.287 142.162-.028A739446.174 739446.174 0 0 1 439.497 238.49c4.686-4.687 12.282-4.684 16.969.004l16.967 16.971c4.685 4.686 4.689 12.279.004 16.965a755654.128 755654.128 0 0 0-195.881 195.996c-58.034 58.092-152.004 58.093-210.048.041z"/></svg>Example.xls</a>
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Example.xls

Example Dataset attached. How can I use SUMIF to find the number from column B from the previous week which is A2-7?

How can I use SUMIF to find the data from previous week?

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