how can i download google hangouts chat before archiving

Note: If you enter dates, Vault returns all conversations that have messages in that date range and match your query terms. (Optional) Enter a range for Date sent.Vault searches a space only when a searched account is a member of the space. (Optional) If you search accounts or an organizational unit, to include messages in spaces, click Include messages in Chat spaces.

In the list of spaces, select the spaces you want to search and click Add.In the dialog that opens, enter one or more email addresses of members of the spaces you want to search.Each organizational unit must have fewer that 5,000 members.Instead, you must select a specific child organizational unit. If you have a large organizational structure, selecting a parent organizational unit might not show any results.If the organizational unit has child organizational units, accounts in the child organizational units are also searched.Selecting this unit won't return any results. You can't search the top-level organizational unit (your entire organization).Organizational unit-Search accounts in a specific child organizational unit.Specific accounts-Enter up to 5,000 account email addresses.Held data-Search only messages on hold for the matter.All data-Search all messages in your organization.Enter a name for the matter and, optionally, a description.If the matter you want to run the search query in exists, click it to open it.Matters don't restrict what data you can search-all data that you are allowed to access is searchable from any matter. Matters let you group related holds, searches, and exports together. You search for data in matters, which are workspaces for your Vault projects. Preview and export: Includes Participant 2's message plus all messages in the space that were sent 12 hours before and 12 hours after. ‑hi Only the message from Participant 2 is returned because only that message matches the search term. ‑hi messages from the sample conversation are returned or exported because no individual message matches both search terms.

Hi messages are returned or exported because no individual message matches both search terms. Hi Only the message from Participant 1 is returned because only that message matches both search terms. No messages are returned or exported because no individual message contains both search terms. Preview and export: Includes Participant 2's message and all messages in the space or thread (for threaded rooms) that were sent 12 hours before and 12 hours after. Search: Only the message from Participant 2 is returned because only that message matches the search term. Preview and export: Includes Participant 1's message and all messages in the space or thread (for threaded rooms) that were sent 12 hours before and 12 hours after. Search: Only the message from Participant 1 is returned because only that message matches the search term. Chat space search, preview, and export behavior

How can i download google hangouts chat before archiving