Learn how to convert a specific Excel range (e.g., A1:C10) to an HTML file using Aspose.Cells Cloud REST API. Includes authentication steps, cURL example, and SDK snippets for C#, Java, Python, and more...."Spreadsheet=@Report.xlsx" \ -F "outPath=output/report.html" Response...the stream to a file (e.g., report.html ) and verify the HTTP...