XLSX 을(를) XLS 로 변환

Free online XLSX to XLS converter. Fast, secure, no signup required.

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Accepted: XLSX files · Max 100 MB per file

xlsx xls

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Need to convert XLSX to XLS? MegaConvert makes it easy. Upload your Microsoft Excel Open XML Spreadsheet (XLSX) file and get a Microsoft Excel Spreadsheet (XLS) file in seconds — no software to install, no signup required. Whether you need this conversion for data analysis, office work / email attachments, our online converter handles it instantly. Free for files up to 25MB, with support for larger files up to 2GB.

How to Convert XLSX to XLS Online

1
Upload your XLSX file
Click the upload area or drag and drop your XLSX file. Files up to 25MB are free. Larger files are supported with pay-per-use.
2
Choose XLS as output format
XLS is automatically selected on this page. You can adjust conversion settings if needed.
3
Click Convert
Hit the Convert button to start processing. Your file will be converted using our high-performance servers.
4
Download your XLS file
Once conversion is complete, click Download to save your new XLS file. Free files are available for 1 hour.

Why Convert XLSX to XLS?

**Reduce file size** — Converting between formats can significantly reduce file size, making files easier to share via email or cloud storage.
**Software requirements** — Your software or platform may require XLS format specifically. Converting ensures full compatibility.

XLSX vs XLS — Format Comparison

Feature	XLSX	XLS
Full Name	Microsoft Excel Open XML Spreadsheet	Microsoft Excel Spreadsheet
Developer	Microsoft	Microsoft
First Released	2007	1987
Category	Spreadsheet	Spreadsheet
Extension	.xlsx	.xls
MIME Type	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet	application/vnd.ms-excel

Formulas, charts, and macros may not transfer to simpler formats like CSV.

About XLSX Format

Modern Microsoft Excel format based on Open XML standard with ZIP compression.

Full name: Microsoft Excel Open XML Spreadsheet

Developer: Microsoft (2007)

About XLS Format

Legacy Microsoft Excel binary format for spreadsheets with formulas and charts.

Full name: Microsoft Excel Spreadsheet

Developer: Microsoft (1987)

자주 묻는 질문

Upload your XLSX file to MegaConvert.io, select XLS as the output format, and click Convert. Your converted file will be ready to download in seconds. No software installation required.

Yes! Files up to 25MB can be converted for free, up to 3 times per day. For larger files, pay-per-use pricing starts at just $2 for files up to 100MB.

Absolutely. All uploaded files are encrypted in transit (HTTPS), scanned for viruses, and automatically deleted after conversion. We never share or access your files.

Free users can convert files up to 25MB. Pay-per-use supports files up to 2GB. Subscribers get up to 2GB with priority processing.

Modern Microsoft Excel format based on Open XML standard with ZIP compression. Developer: Microsoft (2007).

Legacy Microsoft Excel binary format for spreadsheets with formulas and charts. Developer: Microsoft (1987).