Spreadsheet Format

What is a .XLS File?

Legacy Excel Spreadsheet (.xls) - Specifications, details, and free conversion tools.

Technical Details & Specifications

Format Name:

Legacy Excel Spreadsheet

File Extension:

.xls

Category:

Spreadsheet

MIME Type:

application/vnd.ms-excel

Classic binary spreadsheet container developed for earlier versions of Microsoft Excel.

How to Open .XLS Files

Files with the .xls extension can typically be opened using modern web browsers, media players, or native system viewers. If your operating system cannot open this file, you can convert it to a universal format like MP4, MP3, JPG, or PDF using SnapConvert without installing additional software.