Exchange EDB files are database files and are not designed to be opened directly with Outlook or standard email applications. If you need to inspect an EDB file, you can use an EDB viewer or converter that can read the database structure. Once the file is scanned, you can usually view mailbox folders and their contents before deciding what to export. SysTools EDB Converter can be used to scan an Exchange EDB file and preview its available mailbox data, which can be helpful when the original Exchange environment is no longer available.