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A Data Extract is a local file containing data extracted from a Data Source. Data Extracts allow sharing Workbooks in an offline fashion so that whoever opens the Workbook does not need to be directly connected to a database server as a datasource. Data Extract files have the file extension .vize and will get contained in Packaged Workbooks (.vizx files) when exporting or saving as Packaged Workbook files. Data Sources that use Extracts have icons that contain a blue cylinder.
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Creating Extracts
To create an Extract you must already be connected to a Data Source. Data Sources that do use Extracts display a blue cylinder in the Data Pane. Data Sources that do not use Extracts are displayed only as gold cylinders in the Data Pane without blue cylinders in front of them.
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When [Data > Auto Refresh...] is enabled, any data sources which are set for Auto Refresh that contain extracts will also have their extracts refreshed automatically using the Refresh Frequency (seconds, minutes, hours) you have input. See Auto Refresh on the Refreshing Data page for more.
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