At WeChat, user privacy and data protection are our top priorities. WeChat considers user privacy and data protection not just our company's responsibility, but also a key part of our users' experience.

WeChat securely encrypts your sent and received messages between our servers and your device to help prevent unauthorized third parties from intercepting your messages as they are being delivered over the internet. To better maintain the privacy of your messages, it's important to make sure that you follow some safety tips. Read more about how to best secure your WeChat account on all of your devices.

We do not permanently retain the content of any messages on our servers whether they are text, audio or rich media files such as photos, videos, or documents, unless you or your recipient saves them as a Favorite. Once 72 hours has lapsed since you sent your chat message, or 120 hours for images, audio, videos, and files, WeChat permanently deletes the content of the message on our servers. Upon deletion, neither WeChat nor any and third party will be able to view the content of your message.

WeChat also does not use the content of chat messages for analytical purposes or data mining. 

In some cases, you may choose to have your message content either saved to the server or handled by a third-party service partner. For instance, when you select to add a message to Favorites, your message content will be automatically saved to our servers so that the message is available from within Favorites on any device that you log in to via WeChat. You may at any time remove any message content from Favorites and it will be deleted from our servers. When you long-press a message and select Translate, the message may be translated via a third-party translation service provider. Our service providers are required to provide the same or equal protection of user data as stated in the WeChat Privacy Policy and are prohibited from retaining, using, or disclosing your information except as necessary to provide services to us.