Hello, Depending on what you want to do with your reports, you have two options: If you want to replace the data that appears in your reports, you can import the new excel files using the same names that you previously used. You will receive a message asking if you want to 'Reload' the table or 'Rename' the table. Choosing 'Reload' will replace the previous month's data with the updated data. Your reports will be automatically updated with the new data. If you want to use both the previous month's data and the new month's data together in the reports, then you should import the new excel files using different names. In this case, when you import the excel files, be sure to choose 'Rename' and change the name of the table to something different. Afterwards, you can make any changes to your reports as needed. Also, I just want to add that you can import the excel files directly from the designer (in addition to the data builder and the explorer). If you have your report open, click the Data tab and then on the "Add data source" icon. A window opens with the options for importing data. Best regards, Lorrie
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