XLS converter

Free online conversion of files to xls and vice versa
Select files or drag & drop them here
About XLS

The XLS files are used in Microsoft Excel 97 to 2003 for Workbooks, spreadsheet document files. The XLS is Microsoft Excel's proprietary file format for storing its documents. The latest versions of Microsoft Office use XLSX file format.

How to convert a file to XLS?

Click the «Choose files» button and select the files you want to convert. The maximum file size is 75 MB.

Select «XLS» as the target format. Click «Convert» to start converting files to XLS. It will only take a few seconds.

You did it! Your files have been converted to XLS format. Now download them to your device.

Supported conversions

MiConv can convert files to XLS format and vice versa. Check the table below.

Advantages of MiConv

Online XLS conversion

You don't need to download and install any software to convert files to .xls format. All conversions take place in the cloud.

File security

Your files are completely safe and accessible only to you. All files will be permanently deleted within 2 hours after conversion.

Fast and free

Convert your xls files in 2 clicks. And don't pay anything for it! This XLS converter is free for all users.

See also

In addition to XLS, we can convert many other file formats. Here are some popular conversions:
Over 1,500,000 users in 235 countries have used MiConv to convert files in 2022

So you're in good company! 👍🏻