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This text provides a comprehensive guide on how to export and import chat messages in Slack. Exporting Chat Messages: 1. Go to the Export/Import tab. 2. Click "Slack에서 내보내기". 3. Choose whether you want to export all channels or specific ones. 4. Decide if you want to export attachments, files, and other media. 5. Click "Next" and choose a location to save your backup. 6. The process will take some time depending on the size of your chat history. Importing Chat Messages: 1. Go back to the Export/Import tab. 2. Click "Slack에서 가져오기". 3. Choose whether you want to import all channels or specific ones. 4. Decide if you want to merge users with the same email addresses. 5. Choose how you want to handle duplicate messages. 6. Select the channels you want to merge. 7. Click "Import" and wait for the process to complete. The guide also covers exporting chat messages as JSON files, which can be imported into other applications or services. It provides detailed instructions on how to export and import chat messages, including how to handle duplicate messages and merge users with the same email addresses.