Microsoft Yammer terms of service

Unless otherwise specified, the Services are for your personal and non-commercial use.

You agree to use the Communication Services only to post, send and receive messages and material that are proper and, when applicable, related to the particular Communication Service.

You may not modify, copy, distribute, transmit, display, perform, reproduce, publish, license, create derivative works from, transfer, or sell any information, software, products or services obtained from the Services.

You may not use the Services in any manner that could damage, disable, overburden, or impair any Microsoft server, or the network(s) connected to any Microsoft server, or interfere with any other party's use and enjoyment of any Services.

Harvest or otherwise collect information about others, including e-mail addresses.

Use the Communication Services in connection with surveys, contests, pyramid schemes, chain letters, junk email, spamming or any duplicative or unsolicited messages (commercial or otherwise).

Any reproduction or redistribution of the Software not in accordance with the License Agreement is expressly prohibited by law, and may result in severe civil and criminal penalties.

the below copyright notice appears in all copies and that both the copyright notice and this permission notice appear

In no event shall Microsoft and/or its respective suppliers be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortious action, arising out of or in connection with the use or performance of software, documents, provision of or failure to provide services, or information available from the services.

Microsoft reserves the right to terminate your access to any or all of the Communication Services at any time, without notice, for any reason whatsoever.

Microsoft reserves the right to update and modify the TOU at any time without notice to you.