You can use a source files in CSV (Comma Separated Value) files, import them to Microsoft Excel, and save them in Microsoft Excel XLSX format, which essentially finishes csv to xlsx conversion. Except for that, some online tools might offer this as well, just keep in mind that you are sending your files to some 3rd party.
Home > Search converters: csv to xlsx
Conversion of csv file format to xlsx file format beta
Search for csv to xlsx converter or software able to handle these file types.
Convert Comma Separated Value file to Microsoft Excel Open XML workbook and spreadsheet.
We have found 15 software records in our database eligible for .csv to .xlsx file format conversion.
Microsoft Windows software 
- convert csv to xlsx on Windows
Microsoft Excel
A popular spreadsheet application distributed with Microsoft Office suite
File extension | Convert | Open | Save | Edit | Create | Import | Export | Extract |
|---|---|---|---|---|---|---|---|---|
Convert from csv file | Yes, Microsoft Excel supports csv file conversion as a source file type. | Yes | Yes | csv editor | Yes | Yes | Yes | No |
to xlsx file | Yes, Microsoft Excel supports xlsx file conversion as a target file type. | Yes | Yes | xlsx editor | Yes | No | No | No |
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned csv to xlsx. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Corel Quattro Pro
A spreadsheet software application from Corel
FileMaker Pro for Windows
A program used to create and manage information databases
Microsoft Access
A relational database management system from Microsoft Office
Full Convert Enterprise
A powerful database to database converter
Navicat Premium
Fully-featured version of Navicat for Windows
PlanMaker
A handy spreadsheet editor from SoftMaker Office suite
Ability Spreadsheet
A fully featured spreadsheet program from Ability Office software suite
Apple macOS / Mac OS X software 
- convert csv to xlsx on OS X
Microsoft Excel for Mac
A popular spreadsheet application from the Microsoft Office suite
FileMaker Pro for Mac
A database management program for Mac
Numbers for Mac
A spreadsheet application from Apple
Linux/Unix software 
- convert csv to xlsx on Linux
Gnumeric
An open-source spreadsheet program
Multiplatform software 
- convert csv to xlsx on any platform
Apache OpenOffice Calc (OpenOffice.org Calc)
Spreadsheet program from OpenOffice.org productivity suite
LibreOffice Calc
Full-featured spreadsheet tool from LibreOffice suite
On-line services software 
- convert csv to xlsx on web
Google Sheets
Spreadsheet web app from Google
Additional links: Open csv file, Open xlsx file
CSV
A csv file extension is commonly used for Comma Separated Value file format. CSV is a simple text file with values divided by comma or other character used to separate values. Often used as an import/export format for databases and tables by many software.
XLSX
Files with xlsx extension are s used by Microsoft Excel for its workbooks (spreadsheets) in Office Open XML format. XLSX is the latest spreadsheet format used by Excel with the adoption of XML formatting first used in Office 2007. While older xls files were in proprietary binary file format, xlsx spreadsheets use a somewhat altered XML scheme.
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