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Convert XLSX to STC

You have the option to convert your xlsx file to stc, as well as a variety of other formats, using our free online converter.

How to convert xlsx to stc?

How to convert stc to xlsx?

Step 1

Upload xlsx-file

You can select xlsx file you want to convert from your computer, Google Drive, Dropbox or simply drag and drop it onto the page.
Step 2

Select «to stc»

Choose stc or any of the other 200+ supported formats you'd like to convert to.
Step 3

Download your stc file

Please wait for the conversion to complete, then click on the download button to obtain your converted file in the stc format.

The security of your files is our priority

Understanding the importance of the security of our users' data, we have implemented a number of measures to ensure reliable file conversion without the risk of information leakage or privacy violations.

Data encryption

All information uploaded to our platform is SSL encrypted, ensuring privacy during transmission.

Safe storage

After the conversion is completed, the files are stored on secure servers for 24 hours and are automatically destroyed, excluding access by third parties.

Harmless scripts

Our file conversion tools are regularly tested for malicious code or vulnerabilities to eliminate the risk of a potential cyber attack.

Best tool to convert xlsx to stc

xlsx to stc Fast and easy

Simply drag and drop your xlsx files onto the webpage, and you'll be able to convert them to stc or over 250 different file formats, all without having to register, provide an email address, or include a watermark.

Secure xlsx to stc Conversion

As soon as you upload your xlsx files, we instantly delete them. Converted files are then deleted after 24 hours. Furthermore, we ensure that all file transfers are secure through advanced SSL encryption.

No Software Installation Required

You don't have to go through the hassle of installing any software. We handle all xlsx to stc conversions in the cloud, which means that none of your computer's resources will be used in the process.

Office Open XML Document

Extension.xlsx
Category🔵 documents
Programs
🔵 Microsoft Office
🔵 LibreOffice
🔵 Kingsoft Office
🔵 Google Docs
Main program🔵 Microsoft Office
Description🔵 .xlsx (Microsoft Excel Open XML Spreadsheet) The .xlsx format is the default file format for spreadsheets created in Microsoft Excel, starting with Excel 007 and later versions. It's part of the Office Open XML specification and uses XML and ZIP compression for smaller file sizesThe .xlsx format supports complex spreadsheets with data, formulas, charts, pivot tables, and various formatting. It is more efficient and secure compared to the older .xls format and is widely used in business, education, and personal data organization.
Technical details🔵 Introduced in Excel 2007 as part of the Office Open XML (OOXML) standard, the `.xlsx` format is a notable advancement from the `.xls` format. It employs XML within a ZIP archive structure for improved data readability and efficient organization of elements like worksheets and shared strings. This format supports extensive datasets, allowing up to 1,048,576 rows and 16,384 columns per sheet, and includes advanced features like formulas, charts, pivot tables, and VBA macros. The use of shared XML files optimizes file size. `.xlsx` enhances cross-platform interoperability, includes security features like digital signatures and encryption, and has a macro-enabled `.xlsm` variant. Its XML structure minimizes file corruption risks and aids in data recovery. Widely compatible with modern spreadsheet software and older Excel versions, `.xlsx` has significantly enhanced Excel workbook functionality and efficiency, making it a preferred format for contemporary spreadsheet tasks.
Developer🔵 Microsoft
MIME type
🔵 application/vnd.openxmlformats-officedocument.spreadsheetml.sheet

stc

Extension.stc
Category🔵 documents
Main program🔵 OpenOffice Calc
Description🔵 STC is a file extension used for OpenOffice.org Calc Spreadsheet Templates. STC files are template files for creating and saving spreadsheets with OpenOffice.org Calc, which is a free and open-source software that provides features similar to Microsoft Excel.
Technical details🔵 STC files contain pre-defined settings such as fonts, cell borders, and formatting styles that can be used to create spreadsheets. They allow users to save time by not having to re-create the same settings for each new spreadsheet. The STC file format is based on the OpenDocument Format (ODF), which is an international standard for document exchange. It is a compressed file format that uses the ZIP algorithm to reduce the file size. The contents of an STC file are stored in XML format, which is a machine-readable format that can be easily parsed and understood by software applications.
Developer🔵 Sun Microsystems
MIME type
🔵 application/vnd.sun.xml.calc.template

FAQs on xlsx to stc Conversion

❓ How do I change xlsx to stc?
To get started, either pick a file you want to convert from xlsx and select it or drag and drop it into the conversion tool. Next, select the desired format that you wish to convert your file to. Once you have selected the format, click the "convert" button and wait for the tool to finish converting your file.
⏳ What is the estimated time it will take to convert xlsx to stc?
Typically, image conversions only take a few seconds, so you can expect a speedy conversion when changing xlsx to stc.
🛡️ Can I trust OnlineConvertFree to convert xlsx to stc securely?
Absolutely! We take your security seriously, and guarantee the protection of your uploaded and converted files. No one will have access to your information since we delete all files once the conversion process is complete. You can trust that all types of conversions, including xlsx to stc, are 100% safe on OnlineConvertFree.
📱 Is it possible to convert xlsx to stc without having to install any software?
Yes, that's right! OnlineConvertFree doesn't require any installation, which means that you can convert any files, including xlsx to stc, on your computer or mobile device, completely online.