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Convertxlsxlsx
We've already converted 813,522,715 files with a total size of 6,574 TB.

XLS to Xlsx

Online Convert XLS to XLSX Use OnlineConvert online. Free fast! No registration is required.

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Please register to remove this restriction. We offer a variety of conversion options.
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How to convert XLS to XLSX?

Online XLS to XLSX, you can put the XLS to XLSX format on your computer, tablet or mobile phone without downloading any software!

Step 1

Upload XLS file

Select files from your computer, Google Drive, Dropbox, URL or by dragging them on the page.
Step 2

Select 'XLSX'

Select output XLSX or any other format as the conversion result (click the Convert button)
Step 3

Download your XLS file

After the conversion you can download your XLSX file and upload it to Google Drive, Dropbox.

xls : Microsoft Excel 97/2000/XP

XLS is Microsoft Excel spreadsheet file that stores data and manipulates several mathematical operations. It uses a visual basic operation to implement several numeric functions. This spreadsheet file is supported by most of the open source or proprietary spreadsheet software.
XLS Converter
How to convert online XLS？

xlsx : Microsoft Excel XML

XLSX is a proprietary spreadsheet file of Microsoft Excel that contains data. It contains data in rows or columns as well as charts. XLSX supports several mathematical functions also. It uses Open XML standard for containing data. It supports MS Office 2007 and above versions.
XLSX Converter
How to convert online XLSX？

Convert xls to another format!

XLS to PDF XLS to JPG XLS to CSV XLS to DOC XLS to XLSX XLS to BMP XLS to JPEG XLS to DOCX XLS to HTML XLS to TXT XLS to PNG XLS to PPT XLS to TIFF XLS to ODT XLS to SVG XLS to GIF XLS to RTF XLS to DOCM XLS to PSD XLS to XPS XLS to EPUB XLS to PPTX XLS to DOTX XLS to PDB XLS to DOT XLS to MOBI XLS to JP2 XLS to MAP XLS to PNM XLS to FAX XLS to PBM XLS to ODP XLS to SXW XLS to ABW XLS to DJVU XLS to CUR XLS to FB2 XLS to HDR XLS to PPS XLS to POT XLS to PICT XLS to PGM XLS to OXPS XLS to OTB XLS to TGA XLS to WBMP XLS to PCX XLS to ICO XLS to PPM XLS to WEBP XLS to EXR XLS to FTS XLS to G3 XLS to HRZ XLS to IPL XLS to MNG XLS to MTV XLS to PAL XLS to PALM XLS to PAM XLS to PCD XLS to PCT XLS to PFM XLS to PICON XLS to RAS XLS to RGB XLS to RGBA XLS to RGBO XLS to SGI XLS to SUN XLS to UYVY XLS to VIFF XLS to XBM XLS to XPM XLS to XV XLS to XWD XLS to YUV XLS to DOTM XLS to DBK XLS to KWD XLS to AW XLS to POTM XLS to POTX XLS to PPSM XLS to PPSX XLS to PPTM XLS to AZW3 XLS to LRF XLS to RB XLS to SNB XLS to TCR

Convert other formats to xls!

XLSX to XLS DOCX to XLS PDF to XLS DOC to XLS CSV to XLS RTF to XLS XPS to XLS HTML to XLS TXT to XLS ODT to XLS OXPS to XLS DOT to XLS DOTX to XLS DOCM to XLS EPUB to XLS PDB to XLS WPS to XLS SNB to XLS DOTM to XLS FB2 to XLS RB to XLS AZW3 to XLS LRF to XLS MOBI to XLS TCR to XLS

Convert xlsx to another format!

XLSX to PDF XLSX to XLS XLSX to JPG XLSX to CSV XLSX to DOC XLSX to JPEG XLSX to DOCX XLSX to HTML XLSX to PNG XLSX to TXT XLSX to PPT XLSX to BMP XLSX to TIFF XLSX to SVG XLSX to ODT XLSX to PSD XLSX to GIF XLSX to RTF XLSX to PPTX XLSX to XPS XLSX to DOCM XLSX to EPUB XLSX to PDB XLSX to MOBI XLSX to DOT XLSX to HDR XLSX to ODP XLSX to MAP XLSX to FB2 XLSX to OXPS XLSX to SXW XLSX to ICO XLSX to EXR XLSX to POT XLSX to DJVU XLSX to PPSX XLSX to PPM XLSX to POTX XLSX to PPTM XLSX to G3 XLSX to RGB XLSX to XWD XLSX to TCR XLSX to YUV XLSX to RAS XLSX to PPS XLSX to AZW3 XLSX to CUR XLSX to ABW XLSX to DOTX XLSX to FAX XLSX to JP2 XLSX to PCD XLSX to PCT XLSX to PGM XLSX to PICON XLSX to PICT XLSX to LRF XLSX to PNM XLSX to AW XLSX to WBMP XLSX to TGA XLSX to PCX XLSX to PBM XLSX to WEBP XLSX to FTS XLSX to HRZ XLSX to IPL XLSX to MNG XLSX to MTV XLSX to OTB XLSX to PAL XLSX to PALM XLSX to PAM XLSX to PFM XLSX to RGBA XLSX to RGBO XLSX to SGI XLSX to SUN XLSX to UYVY XLSX to VIFF XLSX to XBM XLSX to XPM XLSX to XV XLSX to DOTM XLSX to DBK XLSX to KWD XLSX to POTM XLSX to PPSM XLSX to RB XLSX to SNB

Convert other formats to xlsx!

CSV to XLSX TXT to XLSX XLS to XLSX PDF to XLSX DOCX to XLSX HTML to XLSX DOC to XLSX XPS to XLSX RTF to XLSX ODT to XLSX OXPS to XLSX SNB to XLSX EPUB to XLSX PDB to XLSX FB2 to XLSX DOTX to XLSX DOCM to XLSX WPS to XLSX MOBI to XLSX DOT to XLSX DOTM to XLSX AZW3 to XLSX LRF to XLSX RB to XLSX TCR to XLSX

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