Convert XLS to 7Z Online — Free & Fast | AnyConv

XLS to 7Z Converter

Quickly convert multiple xls files to 7z — free & online.

Drag & drop your files here or click to upload

How to convert XLS to 7Z online

Follow these simple steps to convert xls files to 7z using AnyConv. It works on all devices — Windows, Mac, Linux, iPhone, Android.

Upload your XLS file

Drag & drop your file into the upload area. You can also click to select it manually. Max file size: 100 MB.

Start converting

Hit the “Convert” button to turn your XLS into 7Z. The process usually takes just a few seconds.

Download your 7Z

Once ready, download your converted file instantly. The download link is private and only works on your device.

What is a XLS file?

XLS is the proprietary spreadsheet format used by Microsoft Excel prior to the introduction of XLSX in 2007. It uses a binary file structure and supports formulas, charts, macros, and formatting.

XLS files remain widely compatible and are still used in many organizations. However, XLSX offers better performance and security.

How to open XLS files

XLS files can be opened using Microsoft Excel, Google Sheets, LibreOffice Calc, and other spreadsheet applications. They support charts, formulas, and formatting.

To ensure compatibility and security, convert XLS to XLSX or ODS using AnyConv or within Excel itself.

Key facts about XLS

  • Full name: Microsoft Excel Binary File Format
  • Extension: .xls
  • MIME type: application/vnd.ms-excel
  • Developed by: Microsoft
  • Initial release: 1987

Useful links and resources

What is a 7Z file?

7Z is a compressed archive file format that uses the 7-Zip compression utility. It supports a wide range of compression algorithms, including LZMA and LZMA2, offering high compression ratios and support for large files.

7Z files can contain multiple files and directories, and may include strong AES-256 encryption and solid compression. It’s widely used for efficient long-term storage and sharing of compressed data.

How to open 7Z files

7Z files can be opened using 7-Zip, WinRAR, PeaZip, or other file archivers. Most platforms support these tools natively or via third-party apps.

You can also use AnyConv to convert or extract 7Z files directly in your browser without installing additional software.

Key facts about 7Z

  • Full name: 7-Zip Compressed Archive
  • Extension: .7z
  • MIME type: application/x-7z-compressed
  • Developed by: Igor Pavlov
  • Initial release: 1999

Useful links and resources

Convert to 7Z

Want to get a file in 7Z format? Choose the original format you’re starting with — AnyConv can quickly convert dozens of file types into 7Z.

❓ Frequently Asked Questions

Answers to common questions about converting XLS to 7Z
  • Do I need to register to convert XLS files?
    Not at all! You can convert XLS to 7Z without signing up or installing anything.
  • Is it safe to convert XLS to 7Z on AnyConv?
    Absolutely. All XLS and 7Z files are securely handled and automatically deleted after 1 hour. Nobody can access your data.
  • Will the quality change after converting XLS to 7Z?
    We do our best to preserve the original quality during XLS to 7Z conversion. The result is accurate and clean.
  • How long does it take to convert XLS to 7Z?
    Most conversions from XLS to 7Z take just a few seconds — even for larger files.
  • Can I upload more than one XLS file?
    Yes, batch conversion is supported. You can convert multiple XLS files to 7Z at once — fast and easy.
  • What browsers support XLS to 7Z conversion?
    All modern browsers! Chrome, Firefox, Safari, Edge — AnyConv runs online and supports converting XLS to 7Z on any platform.