{{< blocks/products/pf/main-wrap-class isAutogenPage="true" >}} {{< blocks/products/cells/cells-cloud-upper-banner h1="Swift API to convert XLTX to MHTML" h2="Swift library to convert XLTX to MHTML......expectation(description: "PutConvert") let workbook:String = "Book1.xltx" let..."mhtml" let url1: URL? = getURL(workbook) let filedata = NSData(contentsOfFile:...