OpenBackupExtractor
                                 A free program for extracting data (like voicemails) from iPhone and iPad backups.
                            
                        How to download and setup OpenBackupExtractor
Open terminal and run command
                                            git clone https://github.com/vgmoose/OpenBackupExtractor.git
                                        
                                        git clone is used to create a copy or clone of OpenBackupExtractor repositories.
                                        You pass git clone a repository URL. it supports a few different network protocols and corresponding URL formats.
Also you may download zip file with OpenBackupExtractor https://github.com/vgmoose/OpenBackupExtractor/archive/master.zip
Or simply clone OpenBackupExtractor with SSH
                                            [email protected]:vgmoose/OpenBackupExtractor.git                                    
                                    If you have some problems with OpenBackupExtractor
You may open issue on OpenBackupExtractor support forum (system) here: https://github.com/vgmoose/OpenBackupExtractor/issuesSimilar to OpenBackupExtractor repositories
Here you may see OpenBackupExtractor alternatives and analogs
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