- In the Safari app on your Mac, choose Safari > Preferences, then click Advanced.
- Click Change Settings (next to Proxies) to open the Network pane of System Preferences.
- Change the proxy settings using the information your network administrator provided.
- Click OK.
If you are unable to connect to your Exchange account in Outlook for Mac, check these possible causes to help you get reconnected.
Possible cause: Your organization uses Exchange Server 2003 or an earlier version.
Solution: Check with your account administrator to see what version of Exchange Server hosts your account.
Mac Set Proxy For Apps
Outlook for Mac supports accounts managed by Microsoft Exchange Server 2010 Service Pack 2 or later versions, OR Office 365 for Business..
Possible cause: Your account credentials or Exchange server name are incorrect.
Solution: Verify your account settings.
- On the Tools menu, click Accounts.
- In the left pane of the Accounts, select the account.
- Verify that the account settings are correct.Tip: To verify that you are using the correct credentials, try to connect to your account from another Exchange application, such as Outlook on the web.
Possible cause: Outlook is set to work offline.
![Apt-get Apt-get](/uploads/1/2/6/8/126885918/691682138.png)
Solution: Verify that Outlook is online.
- On the Outlook menu, make sure that Work Offline is not checked. If it is, click Work Offline to remove the check mark and work online.
Possible cause: Your network connection is unavailable.
Solution: Make sure your computer is connected to the network.
For instructions on checking the status of your network connections, see Mac OS Help, or contact your Exchange server administrator or your network administrator. You can also ask a colleague who uses similar settings if he or she can connect to the network. Additionally, if you connect to your Exchange account over the web, use a web browser to see whether you can access Internet sites.
Possible cause: The server running Microsoft Exchange Server is unavailable.
![App App](/uploads/1/2/6/8/126885918/447438494.png)
Solution: Check your Microsoft Exchange server connection.
- On the Tools menu, click Accounts.
- Look at the Exchange account in the left pane. If there is a problem with the connection, the indicator icon will be orange.
Set Proxy For Apt-get
If you've successfully connected to the account before, try to connect to it from another Exchange application, such as Outlook on the web. You can also check the status of the Exchange server by contacting your Exchange server administrator.