An .AAC file is an advanced audio coding file that implements advanced encoding and compression for storing the digital audio data file. The AAC file format is the default file format used by some of the media players, such as Apple iTunes, Winamp, and the Windows Media Player applications.
Files with the OPUS extension contain sound of music tracks or human speech, compressed with a lossy method.
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 AAC file after converting to OPUS may differ slightly from the original. The most important information should be kept, but if you want the file after conversion from AAC to OPUS 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 AAC to OPUS does not meet your expectations, you can simply try to find on the Internet a different version of your file in AAC format, properly converted to a OPUS file by someone else. If this fails, use the information provided in the further part of the website.
If after converting the file AAC the desired result was not achieved, you can try to change the format of AAC file to other than OPUS. 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 AAC file converted by someone else, and the attempt to convert it to OPUS 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 AAC file in its original format (without conversion to OPUS file). Such a solution will be difficult to implement, but it certainly will give the best result.