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Query Is Showing Duplicates

Query Is Showing Duplicates
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I have a query that for some reason is showing duplicates. It's a query that has 4 tables linked to one another.

It's supposed to show only 215 records but I'm getting 256 records shown. Upon checking, I saw it has duplicated records!

I want each record to only show once. Thnak you!
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My query produces the correct result showing the duplicates but the report only shows 1 of the duplicates. I'm grouping on the last name (PrimaryLastName). What is the reportdoing to my duplicate records from the query? How do I fix that?
 

Duplicate records not showing on report

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I have created a report from a query. There are duplicate last names in the table (which is just fine). E.g., I have 2 "Hogan"s and they are different persons and I want them both to show up on the report.

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I will freely admit that this was the first time I used Access, so I could be missing something really easy,

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Create a Find Duplicates Query

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Use a Find Duplicates query to discover whether your tables contain duplicate records. With the wizard, creating the query is just a matter of answering some questions. These instructions apply to Access 97.