Convert Excel templates (XLTX) online for free
The converter easily converts your XLTX templates to various formats - free and online. No Microsoft Excel or or other Spreadsheet software needed.
To convert other file formats to the "Template File" file type, you need software like Microsoft Excel or a similar tool.
The .XLTX file extension is an Office Open XML spreadsheet template created by Microsoft Excel. Under the hood, it is a standard ZIP archive containing a directory of XML files, relationships, and embedded media. Organizations use these templates to distribute standardized boilerplates, company letterheads, and predefined formulas for new spreadsheets.
While useful for standardizing data entry, .XLTX files are problematic for data sharing and automated workflows. Many web applications, email clients, and data ingestion pipelines reject template files because they expect standard flat data. Furthermore, Microsoft restricts .XLTX files from executing VBA macros - limiting advanced automation. Opening them outside the Microsoft ecosystem requires compatibility layers that frequently break complex cell formatting or chart layouts. Users often struggle when trying to share a template with clients who do not have a paid Microsoft 365 subscription.
To distribute data securely and freeze layouts for viewing, convert to PDF. If you need to extract raw data for database ingestion, convert to CSV, though be aware this strips all formatting and formulas. For standard editing and sharing, convert to the standard XLSX format. Drag and drop your file here to analyze and convert it - free, online, and without installing software.
Use Convert.Guru to open and convert your XLTX file.
Users also converted XLT, XLSX, XLTM, XLSM, PDF, CSV and XLS files.
If you want to convert XLTX file to XLSM, XLSB or WK1, you can use Microsoft Excel or similar software from the "Spreadsheet Template Storage" category. In the File menu, look for Save As… or Export….
To convert WQ1, XLSM, NOTES, QPW, WK3, WB2, WKS, XLSB, 123, XLS, WB1 or XLSX files to XLTX, try Microsoft Excel or another comparable tool in the "Spreadsheet Template Storage" category.
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our XLTX converter.