Without the appropriate driver installed, attempts to access an Excel file in ArcGIS Pro will produce a Required Microsoft driver is not installed error. Depending on the configuration, a silent installation may be necessary to correctly install the appropriate driver. The only requirement to access and work with Excel files in ArcGIS Pro is that the appropriate drivers must be downloaded and installed correctly on the computer on which ArcGIS Pro is installed. Working with Microsoft Excel tables in ArcGIS Pro does not require that Microsoft Excel or Microsoft Office be installed on the same machine with ArcGIS Pro.

For more details, see Work with Microsoft Excel files in ArcGIS Pro. For example, you can add Excel files to a map, open them in the fields view, and use them as inputs to geoprocessing tools. You can open Microsoft Excel tables directly in ArcGIS Pro and work with them in the same way you work with other tabular data sources. Install the Microsoft Access Database Engine drivers.

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