Convert XLS to XLSX

XLS to XLSX turns one XLS workbook into a XLSX workbook. Upload the file, MyConvert converts it on its servers, and you download the result. It is free, needs no account, and guest files are deleted 30 minutes after the job finishes.

  • Free for guests and signed-in members. No watermark.
  • Accepts one XLS workbook and downloads a XLSX workbook.
  • Guest files are limited to 25 MB. Member files are limited to 100 MB.
  • No app to install. The conversion runs on MyConvert servers.

Drop your file here

Choose file

Add one file to start. Up to 25 MB per file as a guest.

Step by step

How to use XLS to XLSX

  1. Add the fileDrop one XLS workbook on the page, or tap Choose file.
  2. Let it convertThe page shows upload progress, then the conversion progress. Keep the tab open until it finishes.
  3. DownloadSave the XLSX workbook with the Download button. Guest copies expire after 30 minutes.

Details

About XLS to XLSX

Use XLS to XLSX when you have a XLS workbook and need a XLSX workbook. Drop the file on the page and the conversion starts on its own. There is nothing to install and it works the same on Windows, macOS, Linux, Android, and iPhone.

Files travel over HTTPS, every upload is checked against its declared type, and executables are rejected. Guest files are removed 30 minutes after the job finishes. Signed-in members keep results for 24 hours and can delete them sooner from the account page.

The workbook is rewritten as XLSX. Macros and some Excel-only features are not kept.

Limits

Good to know

  • The workbook is rewritten as XLSX. Macros and some Excel-only features are not kept.

FAQ

Frequently asked questions

Is XLS to XLSX free?

Yes. Guests and signed-in members both use it at no charge, and the result has no watermark.

Do I need to install software?

No. You use it in the browser and the conversion runs on MyConvert servers.

Are my files safe?

Uploads travel over HTTPS, are checked against their declared type, and are never shared. Guest files are deleted 30 minutes after the job finishes.

How long are files kept?

Guest files are deleted after the 30 minute download window. Signed-in files are kept for 24 hours and then deleted.

Does it work on a phone?

Yes. It works in current browsers on Android and iPhone as well as on desktop computers.