Convert CSV to XLTX Files Online for Free.
Free online tool to convert csv to xltx files quickly and securely. No installation required – start converting your files in just a few clicks!
Drag and drop your files here or click to upload.
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Maximum file size is 10MB
How It Works
How to Convert CSV to XLTX
Click inside the file drop area to upload your CSV file or drag & drop it.
Select XLTX as the output format and click the 'Convert' button.
Download the converted XLTX file instantly after conversion.
You can also send a link to the converted file via email. (Optional)
Convert Your CSV files to other formats
RunConvert.com can convert your CSV files to these other formats:
Convert Your CSV files to other formats
Convert Files to CSV Format
RunConvert.com supports these converters to CSV format:
Convert Files to CSV Format
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Frequently Asked Questions
Here are some common questions and answers about csv file conversions ask by our users on RunConvert.com.
Frequently Asked Questions
Q: Can I convert a CSV to Excel without losing data?
A: Yes! Just open the CSV in Excel and save it as an .xlsx file. Boom—done. Just double-check the formatting afterward to make sure it looks right.
Q: Do formulas still calculate after converting XLSX to ODS?
A: In most cases, yes. Excel and LibreOffice play nicely together—but complex macros or newer functions might act up a bit.
Q: Can I convert spreadsheets with multiple tabs?
A: Yes, but not all formats support multiple sheets. XLSX and ODS do, but CSV flattens everything into one sheet. If tabs matter, avoid CSV.
Q: Is it safe to convert spreadsheets online?
A: Yep, as long as you're using a trusted service like RunConvert. We don’t keep your files after conversion, and everything’s encrypted. Your secrets are safe with us!
Q: Why does my CSV look weird in Excel?
A: Ah, the classic comma confusion. Sometimes Excel misreads delimiters—especially if your system uses semicolons instead. Try importing the CSV using Excel's 'Data > From Text' feature and set the correct separator.
Q: Does converting a spreadsheet remove conditional formatting?
A: Depends on the output. XLSX and ODS usually preserve it. But CSV? Nope—it strips everything to plain text.
Q: Can I convert scanned spreadsheets?
A: Not directly. Scanned files are usually images or PDFs, so you’d need OCR (optical character recognition) first—then convert.
Q: Can I use RunConvert to convert spreadsheet files?
A: You sure can! RunConvert.com handles tons of spreadsheet conversions—Excel, CSV, ODS, TSV, and more. Just upload your file, pick your output format, and you're golden.
Q: Can I convert XLSX to CSV?
A: Absolutely! XLSX to CSV is one of the most common conversions. Whether you're prepping data for coding or uploading it into a platform, a CSV keeps things clean and simple.
Q: Can I preview how the PDF will look before converting?
A: We’re building a live preview feature! For now, you’ll need to download and check—conversions are quick, so it’s easy to retry.
What is CSV (Comma-Separated Values)?
CSV (Comma-Separated Values) is a simple text-based file format used for storing tabular data, such as spreadsheets or databases. Each line of a CSV file represents a row, and each value within a row is separated by a comma.
CSV files are commonly used for data exchange between different applications and are easily opened and edited by spreadsheet programs like Microsoft Excel, Google Sheets, and other data processing tools.
How to open CSV?
CSV files can be opened using spreadsheet programs such as Microsoft Excel, Google Sheets, or LibreOffice Calc. You can also open them using text editors like Notepad or Sublime Text, although they won't display the data in a table format.
To open CSV files in Excel or Google Sheets, simply double-click the file or import it into the application.
CSV is Developed by: International Organization for Standardization (ISO)
CSV was Released on: 1983
Useful Links for CSV:
How to convert CSV?
You can convert CSV files to other formats, such as Excel (.xlsx), JSON, or TSV (Tab-Separated Values), using online file converters. Simply upload your CSV file, choose the desired output format, and let the converter do the work.
Many spreadsheet applications like Excel also allow saving CSV files in various formats for easier use across different platforms and applications.
What is XLTX (Excel Template)?
XLTX (Excel Template) is a file format used by Microsoft Excel to store spreadsheet templates. These templates can include predefined formatting, formulas, and layouts, making it easier to create consistent and professional-looking spreadsheets.
XLTX files are commonly used in business environments for creating standardized financial reports, invoices, and other recurring documents.
How to open XLTX?
XLTX files can be opened using Microsoft Excel or other spreadsheet software that supports the format, such as LibreOffice Calc or Google Sheets.
For editing, you can use Microsoft Excel or any other compatible spreadsheet software to modify the template as needed.
XLTX is Developed by: Microsoft
XLTX was Released on: 2007
Useful Links for XLTX:
How to convert XLTX?
To convert XLTX files to other formats like XLSX or CSV, use our online spreadsheet converter. Upload your XLTX file, select the desired output format, and start the conversion.
Our converter ensures high-quality conversion, preserving the original template layout and data for seamless use across various platforms.
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