Basics

• What is Yahoo Message Archive Decoder?
• How do I use the program?
• What are the main features of Yahoo Message Archive Decoder?
• What is Message Archive (.dat) file?
• What are the differences between Yahoo Message Archive Decoder and the internal Yahoo! Messenger archive viewer?
• How do I select a specific date range instead of decoding the entire archive?
• How do I prevent others from using Yahoo Message Archive Decoder?
• What is .hst file and how do I read it?
• How do I use the command-line interface?
• I'm a legal investigator and I need to indicate which .dat file were used to decode the message logs.
• How do I recover lost passwords?
• Can I change the way decoded files look?
• Some usernames have a suffix "@@imm". What does it mean?

Support

• How do I obtain a license key?
• How do I contact customer support?
• What do I get by registering the software?
• What are the differences between the PRO version and the basic version?
• Where can I get the latest version?
• I don't know what happens to me when I die.

Troubleshooting

• Why is there no Message Archives that can be decoded?
• When I view messages, gibberish characters are shown instead of the actual messages.
• When I clicked "View!", Opera hangs.
• Non-latin characters are unreadable.