XLSX to XLS Converter

Batch convert xlsx files to xls format online for free

Choose files or drag & drop them here.
Only you have access to your files.
All files will be deleted after one hour.

How to convert XLSX files to XLS online?

Step-by-step guide to convert xlsx to xls using AnyConv. It works on PC (Windows, Mac, Linux) and mobile devices (iPhone, Android).

Upload XLSX-file

Drag and drop your XLSX file into the upload area. The maximum file size is 100 MB.

XLSX to XLS

Click "Convert" to change xlsx to xls. The conversion usually takes a few seconds.

Download your XLS

Now you can download the XLS file. The download link only works on your device.

FAQ

❓ How can I convert files from XLSX to XLS?

First you need to add file for conversion: drag and drop your XLSX file or click the "Choose File" button. Then click the "Convert" button. When XLSX to XLS conversion is completed, you can download your XLS file.
⏱️ How long does it take to convert XLSX to XLS?

Document conversion is pretty fast. You can change XLSX to XLS in a few seconds.
🛡️ Is it safe to convert XLSX to XLS on AnyConv?

Of course! We delete uploaded files immediately, and converted ones after 1 hour. No one has access to your files. File conversion (including XLSX to XLS) is absolutely safe.
💻 Can I convert XLSX to XLS on Mac OS or Linux?

Yes, you can use AnyConv on any operating system that has a web browser. Our XLSX to XLS converter works online and does not require software installation.

Information about XLSX and XLS file formats

🔸 File format	XLSX	XLS
🔸 Full name	XLSX - Office Open XML Document	XLS - Microsoft Excel Binary File Format
🔸 File extension	.xlsx, .xlsm	.xls
🔸 MIME type	application/vnd.-openxmlformats-officedocument.-spreadsheetml.-sheet	application/vnd.ms-excel
🔸 Developed by	Microsoft	Microsoft
🔸 Type of format	Spreadsheet	Spreadsheet
🔸 Description	The Office Open XML file formats are file formats that can be used to represent electronic office documents. There are formats for word processing documents, spreadsheets, presentations, and specific formats for material such as mathematical formulae, graphics, bibliographies, etc.	Microsoft Excel, up until 2007 version used a proprietary binary file format called Excel Binary File Format (.XLS) as its primary format. Excel 2007 uses Office Open XML as its primary file format, an XML-based format that followed after a previous XML-based format called "XML Spreadsheet".
🔸 Technical details	Office Open XML documents are stored in Open Packaging Convention (OPC) packages, which are ZIP files containing XML and other data files, along with a specification of the relationships between them. Depending on the type of document, the packages have different internal directory structures and names.	OpenOffice.org has created documentation of the Excel format. Since then, Microsoft has made the Excel binary format specification available to download freely.
🔸 File conversion	XLSX conversion	XLS conversion
🔸 Associated programs	Microsoft Office, LibreOffice, Kingsoft Office, Google Docs.	Microsoft Office, LibreOffice, Kingsoft Office, Google Docs.
🔸 Wiki	https://en.wikipedia.org/wiki/Office_Open_XML_file_formats	https://en.wikipedia.org/wiki/Microsoft_Excel#File_formats

XLSX to XLS Conversion Quality Rating

4.5 (17036 votes)

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