Convert CSV to XLTM Files Online for Free.
Free online tool to convert csv to xltm 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 XLTM
Click inside the file drop area to upload your CSV file or drag & drop it.
Select XLTM as the output format and click the 'Convert' button.
Download the converted XLTM 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: Are converted files virus-free?
A: Absolutely. We don’t add anything to your files—just convert them. Always scan downloads if you’re extra cautious though!
Q: Will formulas work after conversion?
A: If you're converting to another spreadsheet format like ODS or XLSX, formulas usually transfer just fine. But CSV or PDF? Not so much—they flatten the data.
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: Why does Excel add extra quotes when opening CSVs?
A: Excel tries to preserve special characters or commas inside cells. It’s annoying, but technically correct. No need to panic!
Q: Why is my date format changing during conversion?
A: It’s usually a locale issue—some formats use MM/DD/YYYY, others DD/MM/YYYY. Be sure to set your region correctly before saving or converting.
Q: Can I convert a spreadsheet to HTML?
A: Yes! It’ll turn your spreadsheet into a web-friendly table that you can embed or share. Super useful for data reports or dashboards.
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: Can I preview the file before downloading the converted version?
A: On RunConvert, we’re working on adding that feature. For now, just download it—it’s super quick, and if it’s not right, you can tweak and reupload.
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: 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.
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 XLTm (Excel Template Macro)?
XLTm (Excel Template Macro) is a file format used for creating Excel templates that contain macros. Macros are sequences of instructions that can automate repetitive tasks in Excel, enhancing productivity.
XLTm files are used when you want to create a reusable template that includes automated functions or workflows. These templates can be used to perform actions such as data validation, complex calculations, or formatting adjustments.
How to open XLTm?
XLTm files can be opened using Microsoft Excel, which supports the format and allows users to run the macros embedded within the template. Simply double-click the file, and Excel will open it as a template.
To open XLTm files, ensure macros are enabled in Excel for the file to execute its automated functions properly.
XLTM is Developed by: Microsoft
XLTM was Released on: 2007
Useful Links for XLTM:
How to convert XLTm?
You can convert XLTm files to other formats, such as XLSX, CSV, or PDF, using Excel's 'Save As' option or online file converters. Simply open the file in Excel and choose the desired output format.
If you want to retain the macros while converting, ensure the target format (like XLTm or XLSM) supports macros to preserve the functionality.
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