Home All Tools Spreadsheets Documents Text & Language Utilities

Convert XLS to XLSX

Convert old Excel XLS to modern XLSX format

Upload File

Upload your file

Drag and drop your file here or click to browse

FileConvert

Free online file conversion tools to convert any file format quickly and easily.

Categories

Spreadsheet Conversions
Document Conversions
Text & Language Files
File Merging

More Tools

File Splitting
Compression & Archiving
Utility Tools
All Tools

Legal

Privacy Policy
Terms of Service
Cookie Policy
Contact Us

© 2026 FileConvert. All rights reserved.