Hi, I am using xlsx engine in libname statement and I got the below error in SAS studio. Can anyone help me to resolve this error? Thanks!   Code: libname __amspec xlsx "../../data/spec/M16-109_ADaM Specs1.xlsx";   Error message in SAS log: ERROR: The XLSX engine cannot be found. ERROR: Error in the LIBNAME statement. ERROR: Libref __AMSPEC is not assigned. proc setinit; run; NOTE: PROCEDURE SETINIT used (Total process time): real time 0.00 seconds cpu time 0.00 seconds Original site validation data Current version: 9.04.01M7P080620 CPU A: Model name='' model number='' serial=''. Expiration: 29NOV2022. Grace Period: 45 days (ending 13JAN2023). Warning Period: 46 days (ending 28FEB2023). System birthday: 03JAN2022. Operating System: LIN X64 . Product expiration dates: ---Base SAS Software 29NOV2022 (CPU A) ---SAS/STAT 29NOV2022 (CPU A) ---SAS/GRAPH 29NOV2022 (CPU A) ---SAS/ETS 29NOV2022 (CPU A) ---SAS Integration Technologies 29NOV2022 (CPU A) ---SAS/Secure 168-bit 29NOV2022 (CPU A) ---SAS Enterprise Guide 29NOV2022 (CPU A) ---SAS/ACCESS Interface to PC Files 29NOV2022 (CPU A) ---SAS/ACCESS Interface to ODBC 29NOV2022 (CPU A) ---SAS Workspace Server for Local Access 29NOV2022 (CPU A) ---SAS/ACCESS to Hadoop 29NOV2022 (CPU A) ---High Performance Suite 29NOV2022 (CPU A) ---SAS Add-in for Microsoft Excel 29NOV2022 (CPU A) ---SAS Add-in for Microsoft Outlook 29NOV2022 (CPU A) ---SAS Add-in for Microsoft PowerPoint 29NOV2022 (CPU A) ---SAS Add-in for Microsoft Word   proc product_status; run; For Base SAS Software ... Custom version information: 9.4_M7 Image version information: 9.04.01M7P080520 For SAS/Secure 168-bit ... Custom version information: 9.41_M4 ... View more