Convertcsvxlsx
We've already converted 813,522,715 files with a total size of 6,574 TB.

CSV to Xlsx

Online Convert CSV to XLSX Use OnlineConvert online. Free fast! No registration is required.

Your account type only allows up to 4 files to be concurrently converted.

Please register to remove this restriction. We offer a variety of conversion options.
Save ¥783 over 1 years
Save ¥783 over 1 years
Save up to 70% on subscription discounts
Get a Online Converter with File Convert, upload max 1g and no ads upgrade after 1 years—all for just $16/month.
Save up to 70% on subscription discounts

How to convert CSV to XLSX?

Online CSV to XLSX, you can put the CSV to XLSX format on your computer, tablet or mobile phone without downloading any software!

Step 1

Upload CSV file

Select files from your computer, Google Drive, Dropbox, URL or by dragging them on the page.
Step 2

Select 'XLSX'

Select output XLSX or any other format as the conversion result (click the Convert button)
Step 3

Download your CSV file

After the conversion you can download your XLSX file and upload it to Google Drive, Dropbox.

csv : CSV

CSV is a file extension that can store comma separated numeric and alpha numeric data in simple text format. CSV is used while data transferring and it can contain records contained with a lot of fields. Each record has same number of fields.

xlsx : Microsoft Excel XML

XLSX is a proprietary spreadsheet file of Microsoft Excel that contains data. It contains data in rows or columns as well as charts. XLSX supports several mathematical functions also. It uses Open XML standard for containing data. It supports MS Office 2007 and above versions.
Not what you're looking for? Please try to ask in the help
Ask questions now
RegisterRegisterRegister
  • Register