Here are some versions of the text with sentences shortened and reordered to improve cohesion. Unnecessary parts have been removed as well.
a) Make simple; vary sentence length 6-17 words
Audible users still download AAX files. They then convert to MP3s. To open an AAXC file use a file manager. Place the AAXC file in the Audible folder. The AAXC file then appears in Audible. Open over 400 formats with File Viewer Plus.
b) Reorder sentences for cohesion
Audible users still download AAX files. They then convert those files to MP3 files. To open an AAXC file, use a file manager. Place the file in the Audible directory. The file should then appear in Audible. File Viewer Plus opens over 400 file formats.
c) Change word order
Still Audible users download can AAX files. Convert then those to MP3 files they. Use to open an AAXC file a file manager. Audible the directory in place the file. Appear then in Audible the file should. Opens Plus File Viewer over 400 formats file.
d) Don’t change word forms
However, Audible users still can download any of their audiobooks as AAX files in the Audible desktop app, and then convert those files to MP3 files. To open an AAXC file, use a file manager to place the file in the directory Audible uses to store downloaded audiobooks. The file should then appear in the Downloaded section of your Audible library. File Viewer Plus opens over 400 file formats.
e) Only reorder and delete
Audible users still download AAX files. They convert files to MP3s. Use manager to place AAXC file in Audible directory. File appears in Audible library. File Viewer Plus opens 400 formats.
f) Remove unnecessary
Audible users download AAX files. Convert to MP3s. Place AAXC file in Audible directory. File appears in Audible. File Viewer Plus opens 400 formats.
Audible App