File converter / Documents / Convert to PPSX / STI converter / PPSX to STI

Convert PPSX to STI

Choose file to convert to .sti
or drag and drop file

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

How to convert ppsx to sti?

Step 1
Upload ppsx-file
Select file, which you want to convert from your computer, Google Drive, Dropbox or drag and drop it on the page
Step 2
Select «to sti»
Select sti or any other format, which you want to convert (more 200 supported formats)
Step 3
Download your sti file
Wait till your file will be converted and click download sti -file

Online and free ppsx to sti converter

Fast and easy
Just drop your ppsx files on the page to convert sti 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 ppsx files instantly and converted sti 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 ppsx to sti conversions make in the cloud and don't use any resources of your computer.

PowerPoint Open XML Slide Show

File extension .ppsx
File category documents
Apple Keynote
Main program Microsoft PowerPoint
Developer Microsoft
MIME type


File extension .sti
File category documents
Main program Libre Office
Developer Sun Microsystems
MIME type