

Important: next part of the article is applicable only to Skype for Business 2016. If there are more than 1000 folders in the mailbox, saving chat conversations feature may not work correctly. Note: Outlook must be running and have the user's Exchange email set as the default account.

Click Show Menu arrow next to the gear icon in the top right and select Tools > Options > Personal.

Note: Though the interface differs in Skype for Business, Lync 2013 and Lync 2010, the steps to enable this feature are the same for all applications.
