User interfaces for messages and shared documents

An electronic device, comprising:

• one or more processors;
• memory;
• and
• one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs including instructions for:
• concurrently displaying, via a display generation component, a shared document accessible to a plurality of users and a messaging option associated with the shared document;
• while concurrently displaying the shared document and the messaging option:
• receiving, via one or more input devices, an input selecting the messaging option;
• and
• in response to receiving the input selecting the messaging option:
• displaying, via the display generation component, a messaging conversation accessible to the plurality of users in a messaging user interface of a messaging application, wherein:
• the messaging conversation includes a one or more first messages associated with a selectable option to access the shared document and one or more second messages not associated with the selectable option to access the shared document, and
• the messaging user interface includes first representations of one or more first messages displayed overlaid on representations of one or more second messages.

A non-transitory computer readable storage medium storing one or more programs, the one or more programs comprising instructions, which when executed by one or more processors of an electronic device, cause the electronic device to perform a method comprising:

• concurrently displaying, via a display generation component, a shared document accessible to a plurality of users and a messaging option associated with the shared document;
• while concurrently displaying the shared document and the messaging option:
• receiving, via one or more input devices, an input selecting the messaging option;
• and
• in response to receiving the input selecting the messaging option:
• displaying, via the display generation component, a messaging conversation accessible to the plurality of users in a messaging user interface of a messaging application, wherein:
• the messaging conversation includes a one or more first messages associated with a selectable option to access the shared document and one or more second messages not associated with the selectable option to access the shared document, and
• the messaging user interface includes first representations of one or more first messages displayed overlaid on representations of one or more second messages.