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Run a XLTX to XLSX Online Converter now or take a batch tool for more!


1) Upload XLTX file to convert


Drop files here, or Click to select
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Allowed file types: ris, bib, xls, xlsx, csv, tsv, tab, xlsb, xltx, xlr, pxl, qpw, wb3, wq1, dbf, wk3, 123, mdb, odt

2) Set converting XLTX to XLSX options

Convert to




3) Get converted file

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Get Total Excel Converter to convert XLS, XLSX, ODT, XLSM, etc. safely.

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okTotal Excel Converter supports almost all Excel extensions: XLS, XLSX, XLSM, XLSB, XLT, XLTM, XLTX, XLK, XLW. When the new Office is released, we will add new file types too.
okWith Total Excel Converter you can convert Excel to PDF and add a digital signature in one go.
okTotal Excel Converter can convert each page of your spreadsheet into a separate file.
okTell Total Excel Converter to copy original time stamps if you don't want to change the date.
okHave an outdated Microsoft Office 2003? Update all your old files to the new format in one go. Convert XLS files to XLSX in batches.
okTotal Excel Converter will help you to convert Excel 2003 XML Files (rare option!)
okTotal Excel Converter has a built-in renamer to give your files new descriptive names. Include a counter, a date or worksheet name into the file name and your files will be in perfect order.
okConvert Excel spread sheets via our most straightforward interface.
okThe widest list of output file types: DOC, PDF, HTML, MHT, XHTML, CSV, TXT, TIFF, JPEG, SVG, RTF, XML, XLS, XLSX, ODS, ODT, Lotus, DIFF, SYLK, LATEX, SQL, DBF, Access!
okTotal Excel Converter can combine several Excel spread sheets into one TIFF or PDF file.
okWant to quickly find a file? Total Excel Converter helps you to preview any document you select.
okAdd your logo or any other image to the header or the footer of the output file.
okWant more order? Add page counters or a date to every page of the output files. Sequential numbering of several folders is avaialble.
okTotal Excel Converter can copy original time stamps if you want to keep them.
okWhen you convert Excel to PDF you can set user permissions, password-protect your files or sign with a digital signature. Get PDF, PDF/A and non-searchable PDFs.
okTotal Excel Converter can be run via command line (get the ready-to-use command line from GUI).


File extension .XLTX
CategoryDocument File
DescriptionXLTX is a file format used in Microsoft Excel for storing templates that can be used to create new workbooks with pre-defined formatting, styles, and calculations. XLTX files are similar to Excel workbook files (XLSX), but they are designed to be used as templates rather than data files.

One of the key advantages of the XLTX format is that it allows users to create and share custom templates that can be used by others to create consistent, professional-looking workbooks. This is particularly useful for organizations that need to create a large number of similar spreadsheets, such as budget templates or project tracking sheets.

Another advantage of the XLTX format is that it can be easily modified and customized by users to meet their specific needs. This includes changing formatting, adding new calculations, and adjusting the layout of the template.

Overall, the XLTX format is a powerful tool for users of Microsoft Excel who need to create custom templates for their workbooks. It provides a way to save time and improve consistency across multiple documents, and can be easily customized to meet the needs of individual users and organizations.

Associated programsTotal Excel Converter
Developed by
MIME type
Useful links


File extension .XLSX, .EXCEL
CategoryDocument File
DescriptionXLSX is a format from Office Open XML family, a native MS Excel file type starting from version 2007. As opposite to XLS, this format uses ZIP compression that makes XLSX files smaller in size. Actually XLSX file is an archive of XML-documents. The cells in XLSX table can contain plain text, formulas or graphic elements. XLSX can be read in MS Office 2007 and later, Universal Viewer, OpenOffice, MS Office Excel Viewer, Corel WordPerfect Office. This format doesn’t support macros.
Associated programsMicrosoft Excel 2007
OxygenOffice Progessional (Linux)
Developed byMicrosoft
MIME type
Useful linksMore detailed information on XLSX files


Online XLTX to XLSX conversion

Converting an XLTX file to XLSX is like seeing a caterpillar transform into a butterfly. While the XLTX serves as a template for creating multiple XLSX files, frozen in potential like a caterpillar in a chrysalis, the XLSX file is the fully realized, functional spreadsheet—akin to a butterfly taking flight. The online conversion from XLTX to XLSX is a transformative rite that unfurls the wings of your data, allowing it to dance freely in the digital meadow of analytics and calculations.

The Dormant Promise of XLTX

Think of an XLTX as a magic scroll that can conjure up countless spreadsheets, yet it remains inert and unchanging—storing the design, layout, and settings in a frozen state. It's the archetypal blueprint, latent with possibilities.

The Dynamic Elegance of XLSX

Contrastingly, an XLSX is a living, breathing entity—a garden of numbers and text where calculations bloom. The format is universally known and accessible, easily navigable by any spreadsheet software like a butterfly to a flower.

The Ritual of Conversion

Online tools serving as conversion wizards perform the spell that catalyzes this transformation. With a click of a button, they transform the static, potential energy of an XLTX into the kinetic, vibrant world of an XLSX.

Why Transform?

An XLTX might be great for generating a specific type of spreadsheet, but to interact, modify, and analyze the data, you'll need the full capabilities of an XLSX. The transformation brings your data to life, from potential to kinetic.


The journey from XLTX to XLSX is a spectacle of digital metamorphosis. It is a rite of passage from a world of potential to a realm of dynamic possibilities. This is not just a conversion—it's a vivid manifestation of your data coming to life.

Is it safe to convert XLTX to XLSX Online?

Our tool converts an uploaded copy of your original file. The original file stays on your computer and is unaffected by the process. There is no risk of data loss by conversion.

Also, your data is safe with us. We delete all uploads from our servers after one hour. In other words, an hour after you upload your files, those files are purged from our servers forever. You don't need to worry about your content being stored on the server.

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