This feature has been disabled by your administrator" error in Office 2013

Important Follow the steps in this section carefully. Serious problems might occur if you modify the registry incorrectly. Before you modify it,back up the registry for restoration in case problems occur.

To resolve this issue, follow these steps to modify the registry:

1.     Exit Microsoft Outlook.

2.     Start Registry Editor. To do this, use one of the following procedures, as appropriate for your version of Windows:

·         Windows 8: Press Windows Key+R to open a Run dialog box. Then, type regedit.exe, and then press OK.

·         Windows 7: Click Start, type regedit.exe in the search box, and then press Enter.

3.     In Registry Editor, locate and then click the following subkey:

HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Common\Internet

4.     Locate and then double-click the following value:

UseOnlineContent

5.     In the Value Data box, type 2, and then click OK.

6.     Locate and then click the following subkey:

HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Common\SignIn

7.     Locate and then double-click the following value:

SignInOptions

8.     In the Value Data box, type 0, and then click OK.

9.     Exit Registry Editor.

Note If the UseOnlineContent or SignInOptions value is located under the \Policies hive, it may have been created by Group Policy. In this situation, your administrator must modify the policy to change this setting

https://support.microsoft.com/en-us/kb/3039000