SIS files store installation packages for Symbian OS applications. What kind of data SIS files hold? SIS stands for Software Installation Script. SIS files store application data archives (containing EXE or APP files) along with installation scripts.
After converting the file to the new format, you will be able to use other programs to support it. Keep in mind, however, that the SIS file after converting to SISX may differ slightly from the original. The most important information should be kept, but if you want the file after conversion from SIS to SISX to be the same, you have to do this carefully and choose the proper application from the list below.
There is no guarantee, of course, that the conversion will come up to all your expectations, but it will certainly help you. If, after all, the effect of converting SIS to SISX does not meet your expectations, you can simply try to find on the Internet a different version of your file in SIS format, properly converted to a SISX file by someone else. If this fails, use the information provided in the further part of the website.
If after converting the file SIS the desired result was not achieved, you can try to change the format of SIS file to other than SISX. On our website you will find more information on the following conversion options
Unfortunately, if after performing the two previously described steps (trying to find your SIS file converted by someone else, and the attempt to convert it to SISX on your own) you still have a problem with your file, then there are only a few solutions left. You can once again try to find and install an application that can open the SIS file in its original format (without conversion to SISX file). Such a solution will be difficult to implement, but it certainly will give the best result.