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Convert WKS to STC

Choose file to convert
or drag and drop file

You can convert wks file to stc as well as to variety of other formats with free online converter.

How to convert wks to stc?

Icon of «Upload wks-file»
Step 1

Upload wks-file

Select wks file, which you want to convert, from your computer, Google Drive, Dropbox or drag and drop it on the page.
Icon of «Convert wks to stc»
Step 2

Convert wks to stc

Select stc or any other format, which you want to convert.
Icon of «Download your stc-file»
Step 3

Download your stc-file

Wait till your conversion process will be completed and click download converted stc file.

Online and free wks to stc converter

Fast and easy
Just drop your wks files on the page to convert stc or you can convert it to more than 250 different file formats without registration, giving an email or watermark.
Don't worry about security.
We delete uploaded wks files instantly and converted stc files after 24 hours. All files transfer with secured an advanced level of SSL encryption.
All in the cloud
You don't need to install any software. All wks to stc conversions make in the cloud and don't use any resources of your computer.


File extension
File category
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File extension
File category
Main program
OpenOffice Calc
Sun Microsystems
MIME type


❓ How can I convert wks to stc?
Firstly, select a wks to stc file you want to convert or drag and drop it. Secondly, select a format you want to convert your file to. Then click convert and wait until your file is converted
⏳ How long should I wait to convert wks to stc?
Images conversion usually takes a few seconds. You will convert wks to stc very quickly.
🛡️ Is it secure to convert wks to stc on OnlineConvertFree?
Sure! We delete your uploaded and converted files, so nobody has access to your information. All types of conversion on OnlineConvertFree (including wks to stc) is 100% safe.
📱 Can I convert wks to stc without software installation?
Absolutely! OnlineConvertFree doesn’t require installation. You can convert any files (including wks to stc) online on your computer or mobile.