CSV to XLTX Converter
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.
0 files uploaded. 100 files remaining.
Maximum file size is 1GB
How It Works
How to Convert CSV to XLTX
Click inside the file drop area to upload your CSV file or drag & drop it.
Locate your CSV file on your device—typically used for various purposes. Ensure the file is under 50MB to avoid upload issues. If the upload fails, check your internet connection or try compressing the file first.
Select XLTX as the output format and click the 'Convert' button.
Choose XLTX based on your needs—different formats suit different purposes, like JPEG for smaller file sizes. The conversion process typically takes a few seconds, depending on file size and server load.
Download the converted XLTX file instantly after conversion.
Once the conversion is complete, click the download link to save your XLTX file. You can then open it in software like a compatible viewer. If the file doesn’t download, ensure your browser allows pop-ups from RunConvert.
You can also send a link to the converted file via email. (Optional)
Enter an email address to receive a secure link to your converted file, which is useful for sharing with clients or accessing later. Links expire after 24 hours for security, and RunConvert ensures your data is protected during transmission.
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
People May Also Search For
People also search for these popular file conversions on RunConvert.com
People May Also Search For
Frequently Asked Questions
Here are some common questions and answers about csv and xltx file conversions asked by our users on RunConvert.com.
Frequently Asked Questions
Q: How fast is CSV conversion on RunConvert.com?
A: Faster than you can say ‘spreadsheet’—usually just seconds! CSV files are lightweight, so RunConvert.com processes them in a snap.
Q: Is it safe to upload CSV files to RunConvert.com?
A: Totally safe. RunConvert.com uses top-tier encryption, like a digital vault for your data. Your numbers and notes are secure with us.
Q: What’s the best format to convert XLTX to for sharing?
A: PDF is great for sharing templates. It’s universal and keeps your design intact. RunConvert.com makes the switch seamless.
Q: Is it safe to upload XLTX files to RunConvert.com?
A: Totally safe. RunConvert.com encrypts your files, like a digital safe for your templates. Your designs are protected.
Q: Why do some numbers change when I open a converted file?
A: Sometimes Excel auto-formats things weirdly—like turning long numbers into scientific notation. Try formatting cells as text before converting.
Q: Why would I need to convert a spreadsheet to PDF?
A: Sometimes, you want to share your data without others editing it. PDFs lock in the look and feel of your sheet, making it great for reports or presentations.
Q: Can I batch convert multiple spreadsheets at once?
A: Right now, RunConvert handles one file at a time. But batch conversion is in the pipeline, so stay tuned!
Q: Why use spreadsheet conversion at all?
A: Sometimes you need a lighter file, better compatibility, or just a shareable version. Conversion keeps your data flexible and accessible.
Q: Can I customize the layout during PDF conversion?
A: Not yet—but we’re working on adding options like page size, orientation, and margins in future updates.
Q: What’s the difference between XLS and XLSX?
A: Good question! XLS is the older Excel format, while XLSX is newer, smaller, and more efficient. It’s kind of like upgrading from a flip phone to a smartphone.
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.
What Our Users Say
Don't take our word for it – here's what users think about Runconvert.
Saved me hours of work
I had to convert multiple PDFs to Word for editing. This tool made it so easy and preserved all the formatting perfectly. The batch processing feature is a game changer.
Michael T
Professional quality
As a graphic designer, I need reliable conversion tools. This site delivers professional quality every time. The image conversions maintain resolution and color accuracy.
Elena R
Fast and reliable
I've tried many conversion tools but this one is by far the fastest and most reliable. No watermarks, no quality loss, and the interface is so intuitive.
David K
Rated 4.5/5 based on 5400+ reviews5400+ reviews. Showing our latest reviews.
How would you rate your experience with our service?
Rating Distribution