Fix “Outlook for Mac Not Sending Emails” Error with 7 Easy Tips

Are you frequently addressing the issue of Outlook for Mac not sending emails or Mac Outlook cannot send email? There are numerous factors combined causing this misconfiguration or sync error. The consequences of this problem are quite frustrating yet disturbing for any professional, especially affecting communication.

Additionally, it unable Mac Outlook users to access, sync, or open the mailbox data at once. Undoubtedly, there are multiple reasons behind the occurrence of this pesky problem. However, reading this technical troubleshooting guidance may help users easily fix the issue. Now, let’s dive into this guide tutorial.

What Happens If Outlook Not Receiving Emails Automatically on macOS?

Wondering what are the consequences of Outlook for Mac not sending or receiving emails? Here are the possible adverse impacts of this issue on both professional and business communication.

• Dealing with the problem of Outlook for Mac not sending emails significantly leads to delays in sending or receiving new email messages.
• Implementing the troubleshooting guidance may reduce productivity and slow down the performance of Mac OS.
• If Outlook for Mac failed to send or receive emails tends to increase the fear of data loss and modification.
• Repeated errors cause frustration and offer an inability to handle the mailbox data. Additionally, it brings the risk of missing out on important opportunities.

To avoid these consequences, Mac Outlook users first need to understand the causes of emails stuck in Outlook outbox Mac. So, dive into the next section to learn the common reason behind this failure error.

Why Does My Outlook for Mac Not Sending Emails with Attachments?

If encountering the issue of Outlook for Mac not sending or receiving emails, multiple factors are causing this problem on macOS. Now, read the possible listed reasons that should be avoided to get seamless connectivity:-

• Cause 1: If Attachment Files are Too Large

The reason behind Mac Outlook not receiving emails or unable to send email in Outlook Mac is mainly due to the large size of attachment files. In this case, users need to either remove or resize the attachment files of Mac Outlook.

• Cause 2: Account Storage is Full

If your Mac Outlook storage is full then, you might address the problem of Outlook for Mac not receiving emails automatically. Additionally, it prevents users from sending emails. So, check the size of your mailbox to avoid this error.

• Cause 3: Wrong Credentials

Often unknowingly users use incorrect credentials such as user names, passwords, and other information. It unable users from connecting with their mail account. Therefore, recheck the credential details before logging in.

• Cause 4: Poor Internet Connection

Another reason behind receiving the error of Outlook for Mac not sending emails includes a poor working connection. Users need to connect their macOS system with a robust and uninterrupted internet connection.

• Cause 5: Incorrect SMTP Settings

The misconfigured settings of SMTP caused the problem with Outlook for Mac when sending or receiving mail. Hence, it is essential to provide the correct authentication for the SMTP server for both POP and IMAP accounts.

Overall, these are the possible factors behind encountering the issue of Mac Outlook cannot send email. Now, seeking how to fix “can’t send emails on Outlook for Mac” error. So, move to the below section to learn the troubleshooting tips.

7 Simple Troubleshooting Guide to Fix Error of Mac Outlook Cannot Send Emails 

Here are the top ways to fix the issue of Outlook for Mac not sending emails with attachments. However, the typical basic troubleshooting tips remain the same i.e. check for a good internet connection. Now, switch to the advanced approaches to fix this issue:-

1. Remove or Add Account
2. Disable the Work Offline Mode
3. Force Quit the Application
4. Check the Login Password
5. Use Correct Outgoing Server Settings
6. Restart Outlook Application
7. Ensure Uninterrupted Connection

Now, closely understand these troubleshooting tips to fix Mac Outlook not receiving emails errors.

Tip 1: Remove or Add Account

Sometimes wrong settings of the email account cause the error of Outlook for Mac not sending emails. In this case, deleting or adding a problematic account enables users to access the Mac Outlook mailbox easily. Here are the steps to do so:-

1. Launch Outlook on Mac and switch to Settings.
2. Go to Accounts and then, Outlook Preferences.
3. Now, select the problematic account and then press the Minus button.
4. After this, click on Plus.
5. Lastly, re-enter the login credentials.

Tip 2: Disable the Work Offline Mode

Often the problem of “can’t send emails on Outlook for Mac” happens due to offline working. Connecting with a real-time mail server helps users to send or receive new emails. Perform these steps to check the status and disable it now:-

1. Open your Mac Outlook profile.
2. From the Outlook menu, check the Work Offline status.
3. If found offline, disable it instantly.

Tip 3: Force Quit the Application

Force Quit is yet another way to fix the pesky problems. The below steps may help users resolve the issue easily. Now, use these steps:-

1. Press the keys: Options + Command + Esc buttons together.
2. Move to Outlook from the Force Quit window.
3. Lastly, press the Force Quit button.

Tip 4: Check the Login Password

To resolve the Mac Outlook not receiving emails error, users need to check the login details. The wrong credentials let users not connect with the mail server. Adding the correct login password allows Mac Outlook users to access the data of the mailbox easily.

Additionally, users can manage their inboxes, ensuring sending or receiving new emails on Mac. Besides this, if you have changed the email password, know the correct password using the below steps:-

1. Open your Mac Outlook email account.
2. Switch to File > Account Settings.
3. Now, choose the account and check the changes.
4. Lastly, type a new password and login again.

Tip 5: Use Correct Outgoing Server Settings

Wondering how to fix Outlook for Mac not sending emails? Certainly, this issue is raised due to a misconfigured setting of the outgoing server. Now, learn the steps to correct the selected settings:-

1. From Mail, move to Preferences > Accounts.
2. Select the problematic account.
3. Go to Server Settings > go to the outgoing account menu.
4. Click on Edit SMTP server to set incoming or outgoing port numbers.

Tip 6: Restart Outlook Application

Check the steps to restart the Outlook app if facing an issue with Outlook for Mac not receiving emails automatically. Moreover, it is a simple yet reliable troubleshooting way to resolve the issue.

Before performing the below steps, users first need to close all background running applications using the Task Manager. Now, read the steps to restart the app:-

1. Select Start > Task Manager.
2. After selecting Task Manager, tab on Microsoft Outlook.
3. Switch to End Task and then restart Mac Outlook.

Tip 7: Ensure Uninterrupted Connection

Working with a stable internet connection offers several benefits to users. It significantly prevents the issue of Outlook for Mac not sending or receiving emails. With this, Mac users can easily access the mailbox irrespective of any data loss and disruption.

FAQs – Outlook for Mac Not Sending Emails

Q. Why is my Outlook not sending my emails on Mac OS?

Here are the common reasons behind encountering the issue of Mac Outlook not receiving emails:-

1. Mac Outlook Storage Full
2. Wrong SMTP Settings
3. Incorrect Login Details
4. Outlook Server Outage
5. Working on Offline Mode

Q. How do I fix Outlook not sending emails on Mac?

Follow these free troubleshooting methods to fix emails stuck in Outlook outbox Mac:-

1. Enter Correct Credentials
2. Stable Internet Connection
3. Perform Force Quit
4. Restart Mac Outlook
5. Check Work Offline Status

The Bottom Line

This technical guide may help you resolve the issue of Outlook for Mac not sending emails. Moreover, these suggested tips are secure and favored by experts. Hence, using this approach enables users to easily fix Mac bugs or errors. After taking all the steps if still facing the same challenges, visit the Microsoft Outlook support for more guidance.