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While older SAP archives used the .CAR extension, most modern patches, kernels, and support packages distributed via the SAP Support Portal now utilize the .SAR extension. To open these files, you cannot use standard Windows tools; you must use the SAPCAR executable.
Ensure you have the latest Microsoft Runtime used by SAP installed, as detailed in SAP Note 684106 , to avoid execution errors. Sapcar Download Windows 64 Bit 2021
Run Command Prompt as Administrator, especially if extracting to C:\Program Files or system directories. While older SAP archives used the