To backup your Telegram chats, you have to do it manually.
Here are the steps below:
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You’ll need to go to desktop.telegram.org. You’ll be prompted to install Telegram for your desktop.
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Click on the three horizontal lines and go to Settings. Click on the Advanced option and choose the option that says Export Telegram data.
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In the next window, you’ll need to choose what you want to export. For example, you can choose from options such as:
- Contact list
- Personal chats
- Bot chats
- Private groups
- Only my messages
- Private channels
- Public groups
- Photos
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When you’re done choosing, click on the export option at the bottom right to complete the task.
It will send a notice to all the devices you have Telegram on, that an Export has been requested. -
After your file has already been exported and saved on your desktop, you can upload manually the data to your Drive.
Thank you 