Convert XLSX to STC
Choose file to convert
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?
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 2007 and later versions. It is a part of the Office Open XML specification and utilizes XML and ZIP compression to reduce file sizes. The .xlsx format allows for the creation of complex spreadsheets containing data, formulas, charts, pivot tables, and various formatting options. It is more efficient and secure when compared to the older .xls format, and is widely utilized in business, education, and personal data management. |
| Technical details | 🔵 Introduced in Excel 2007 as part of the Office Open XML (OOXML) standard, the `.xlsx` format represents a significant advancement from the older `.xls` format. It utilizes XML within a ZIP archive structure to enhance data readability and efficiently organize elements such as worksheets and shared strings. This format can handle extensive datasets, supporting up to 1,048,576 rows and 16,384 columns per sheet. Additionally, it includes advanced features like formulas, charts, pivot tables, and VBA macros. The use of shared XML files helps optimize file size. `.xlsx` promotes cross-platform interoperability, integrates security features such as digital signatures and encryption, and even offers a macro-enabled `.xlsm` |
| 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 |