Conversion

Aspose.Cells unique feature that provide flexibility in version conversions without affecting work. SaveFormat is enumeration that can convert document in the extensions given below in table.

Member Name	Value	Description
CSV	1	Represents a CSV file.
Xlsx	6	Represents an xlsx file.
Xlsm	7	Represents an xlsm file which enable macros.
Xltx	8	Represents an xltx file.
Xltm	9	Represents an xltm file which enable macros.
TabDelimited	11	Represents a tab delimited text file.
Html	12	Represents a html file.
MHtml	17	Represents a mhtml file.
ODS	14	Represents a ods file.
Excel97To2003	5	Represents an Excel97-2003 xls file.
SpreadsheetML	15	Represents an Excel 2003 xml file.
Xlsb	16	Represents an xlsb file.
Auto	0	If saving the file to the disk,the file format format accords to the extesion of the file name. If saving the file to the stream, the file format is xlsx.
Unknown	255	Represents unrecognized format, cannot be saved.
Pdf	13	Represents a Pdf file.
XPS	20	Represents an XPS file.
TIFF	21	Represents an TIFF file.
SVG	22	Represents an SVG file.
Dif	30	Data Interchange Format.
Below is code snippet that shows conversion from xls to xlsx you can do it vice versa as well

 Workbook workbook = new Workbook("Sample.xls");

workbook.Save("Converted.xlsx", SaveFormat.Xlsx);

Download Sample Code

• Bitbucket