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 A3S file after converting to SD2 may differ slightly from the original. The most important information should be kept, but if you want the file after conversion from A3S to SD2 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 A3S to SD2 does not meet your expectations, you can simply try to find on the Internet a different version of your file in A3S format, properly converted to a SD2 file by someone else. If this fails, use the information provided in the further part of the website.
If after converting the file A3S the desired result was not achieved, you can try to change the format of A3S file to other than SD2. 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 A3S file converted by someone else, and the attempt to convert it to SD2 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 A3S file in its original format (without conversion to SD2 file). Such a solution will be difficult to implement, but it certainly will give the best result.