Enable Excel Viewer
Enabling this setting allows you to review and redact native Excel files in XLSX and XLS format. By default, this option is disabled for new projects.
For more information, refer to following topics.
To enable or disable the Excel Viewer, perform the following procedure.
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In the Account Menu, select Project Settings.
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In the Project Settings tab, under Document List and Viewer Settings, select Enable Excel Viewer - Feature Preview to enable this feature. To disable it, uncheck the option.
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Click Save.