How do I convert XLSX to XLS?

Drop your XLSX file onto the converter above, make sure XLS is selected, and click Convert. When it's done, download the XLS file — it usually takes a few seconds.

Is it safe to convert XLSX to XLS here?

Yes. Your file is sent over an encrypted connection to an isolated sandbox that's created for your job only, then both the original and the result are deleted automatically.

Is the XLSX to XLS converter free?

Yes. Cloud conversions like this one use credits, and you get free credits every day (3 without an account, 10 with a free account).

Will converting XLSX to XLS reduce quality?

No — XLS preserves the content of your XLSX file as faithfully as the format allows.

Can I convert multiple XLSX files at once?

Yes. Add up to 5 files at a time without an account, 10 with a free account and up to 500 on paid plans, then download them individually or as a single ZIP.

Can I convert XLS back to XLSX?

Yes — use our XLS to XLSX converter. Note that converting back and forth between formats can't recover detail lost to lossy compression.

XLS→XLSX XLSX→PDF XLSX→CSV CSV→XLS XLSX→HTML ODS→XLS Numbers→XLS XLSX→ODS TSV→XLS XLSX→TSV PNG→JPG JPG→PNG PNG→WebP JPG→WebP WebP→PNG WebP→JPG HEIC→PNG HEIC→JPG MP4→MP3 PNG→JPEG JPG→JPEG JPEG→PNG JPEG→JPG PNG→PDF JPG→PDF PDF→PNG PDF→JPG HEIC→WebP MP4→WebP PDF→DOCX DOCX→PDF JPEG→WebP WebP→JPEG PNG→GIF JPG→GIF GIF→PNG GIF→JPG MP4→MOV MOV→MP4 WebP→PDF HEIC→JPEG WebP→GIF GIF→WebP HEIC→PDF MP3→WAV WAV→MP3 JPEG→PDF PDF→JPEG SVG→PNG SVG→JPG HEIC→GIF MOV→MP3 MP4→GIF GIF→MP4 JPEG→GIF GIF→JPEG PNG→AVIF JPG→AVIF AVIF→PNG AVIF→JPG MP3→M4A M4A→MP3 GIF→PDF SVG→PDF PNG→SVG JPG→SVG PDF→SVG SVG→WebP MOV→WebP MP4→WAV MP4→WebM WebM→MP4 WebP→AVIF AVIF→WebP WebP→SVG SVG→JPEG MP4→MKV MKV→MP4 HEIC→AVIF MP4→M4A JPEG→AVIF AVIF→JPEG JPEG→SVG MOV→GIF GIF→MOV WebM→MP3 AVIF→PDF MP3→FLAC FLAC→MP3 MP4→AVI AVI→MP4 MKV→MP3 GIF→AVIF AVIF→GIF SVG→GIF GIF→SVG WebM→WebP MOV→WAV CSV→PDF EPUB→PDF PDF→EPUB MOV→WebM WebM→MOV MKV→WebP PNG→ICO JPG→ICO ICO→PNG ICO→JPG MP3→AAC WAV→M4A AAC→MP3 M4A→WAV MP4→FLAC AVI→MP3 MOV→MKV MKV→MOV MOV→M4A DOCX→EPUB EPUB→DOCX CSV→DOCX PDF→TXT DOC→PDF TXT→PDF WebP→ICO ICO→WebP PPTX→PDF AVI→WebP WebM→GIF GIF→WebM SVG→AVIF MOV→AVI AVI→MOV HEIC→ICO MP4→AAC PNG→TIFF JPG→TIFF TIFF→PNG TIFF→JPG MP3→OGG OGG→MP3 MKV→GIF GIF→MKV JPEG→ICO ICO→JPEG DOCX→TXT TXT→DOCX WebM→WAV ICO→PDF PDF→HTML HTML→PDF WebP→TIFF TIFF→WebP WAV→FLAC FLAC→WAV MKV→WAV DOC→DOCX DOCX→DOC GIF→ICO ICO→GIF MOV→FLAC

XLSXXLS

Convert XLSX to XLS

Free and secure. XLSX files are converted in an isolated cloud sandbox and deleted automatically.

Isolated cloud sandbox
No watermark
Batch & ZIP download

Need a smaller XLSX? Compress XLSX

How to convert XLSX to XLS

1
Add your XLSX files
Drag and drop XLSX files onto the converter, paste them, or click to browse. You can add several at once.
2
Choose XLS
XLS is already selected. Open Options if you want to change quality, size or metadata.
3
Convert
Click Convert. Files are processed in a secure cloud sandbox and are usually ready in seconds.
4
Download your XLS
Download each XLS file, or everything at once as a ZIP.

XLSX vs XLS

From

XLSX · Microsoft Excel Workbook

XLSX is the modern Excel workbook format with formulas, multiple sheets, charts and formatting.

Type: Spreadsheet
Extension: .xlsx
MIME: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Best for: spreadsheets in Excel, Google Sheets and Numbers

Open standard

All XLSX conversions →

XLS · Microsoft Excel 97–2003

XLS is the legacy binary Excel format used before 2007.

Type: Spreadsheet
Extension: .xls
MIME: application/vnd.ms-excel
Best for: older Excel workbooks

Legacy formatProprietary

All XLS conversions →

Need it the other way around? Convert XLS to XLSX.

Related conversions

Convert XLSX to other formats

Convert other formats to XLS

XLSX to XLS: frequently asked questions

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