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How to Sync Two Business Accounts on the Same Computer
Requires two local users to be configured on the computer While logged in to the first local user, log in to business account #1 on the Dropbox app. Choose a shared location for the files to sync to. Log in to the second local user, then log in to business account #2 on the Dropbox app. Choose the same root folder for the files to sync to as you did in the first step. Ensure that both of the folders are shared to all local users and all local users have read/write permissions.