How to reply as different address or another user in Outlook?
If you need to reply an email message as your colleague’s email address in Outlook, how do you deal with it? In this article, we will show you methods about how to reply as different address or another user in Microsoft Outlook.
Reply as different address or another user in Outlook 2010 and later vesions
Always reply with default account by using Kutools for Outlook
Reply as different address or another user in Outlook 2007
Reply as different address or another user in Outlook 2010 and later versions
This section will introduce the steps about replying as different address or another user in Microsoft Outlook 2010 and later versions.
Step 1: Open a mail folder in the Navigation Pane, and select the email message you will reply later.
Step 2: Click the Reply button on the Home tab.
Step 3: In the RE: Message window, click the From > Other E-mail Address in the message header. See screen shot:

Step 4: In the Send From other E-mail Address dialog box, click the From button.

Step 5: In the Choose Sender dialog box, click to select a user name that you will reply as.

Step 6: Click the OK buttons in two dialog boxes.
Step 7: In the RE: Message window, compose your replying message, and click the Send button.
Note: You can only send on behalf of the users who have granted you the sender permission.
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Always reply with default account by using Kutools for Outlook
If you prefer to always reply using Outlook's default account, Kutools for Outlook’s "Always Reply with Default Account" feature is a great solution. This way, you won’t need to switch accounts each time you reply to an email.
Step 1. After installing Kutools for Outlook, click Kutools > Options.

Step 2. Then in the popping dialog, under Reply tab, tick Always reply with default account checkbox. And click OK.

From now on, all your email replies will automatically be sent from your Outlook default account.
Tip: To change your default account in Outlook, go to File > Account Settings, select the account you want, and set it as default in the Account Settings dialog.

Reply as different address or another user in Outlook 2007
The following steps are about replying as a different address or another user in Microsoft Outlook 2007.
Step 1: Open a mail folder in the Navigation Pane, and select the email message you will reply later.
Step 2: Click the Actions > Reply.
Step 3: In the RE: Message window, click the Show From button on the Options tab to display the From field in message header.

If the From field has displayed in the message header already, please skip this step.
Step 4: Click the From button in the Message header.

Step 5: In the Choose Sender dialog box, click to select a user name that you will reply as, and click the OK button.
Step 6: Compose your replying message, and click the Send button.
Note: You can only send on behalf of the users who have granted you the sender permission.
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