An STI file serves as the basis for creating multiple presentations (slideshows) with the same characteristics. It contains formatting information, fonts, colors, but can also contain text and images. Sti files may also contain macros. These macros may contain malicious code, which is why you should do a virus scan before running it.
The template files can be created by the user or come from third-party providers.
Impress is part of the OpenSource office suite OpenOffice.Org. Version 1.X corresponds to version 6.X of the Sun Microsystems (StarDivision) StarOffice. OpenOffice.Org originated from this after its source code was disclosed. StarOffice continued to be sold commercially and offered extended support.
Most often resolving problems with opening STI files is very simple. Just install an appropriate program that supports such files. All of the listed programs support STI files, but may vary in offered function and purpose. Some programs may be capable only of viewing contents of STI files or offer file conversion options, but may not be capable of editing such files.
It is possible that although a compatible program has been installed on user’s system, it is not used by the system to open it. This may happen because no default application was associated with this type of files. To associate STI files with given application, select "Open with" from drop-down menu (accessed by right-clicking on the file). Then select from the list the program or application you want to be used to open this type of file. If the OpenOffice.org Impress applications is not on the list, select "Browse" option in order to manually locate the directory where OpenOffice.org Impress has been installed.
Sometimes problems with opening STI files may not lie with the application itself, but can arise due to other causes, such as: