# How to Configure Gmail with Outlook or Thunderbird Manually: A Step-by-Step Guide
To configure Gmail with Outlook or Thunderbird manually, enable IMAP, enter server settings, call 1-888-481-0582 for assistance.
Gmail is one of the most widely used email services in the world. However, many users prefer managing their emails using desktop applications like Microsoft Outlook or Mozilla Thunderbird. These email clients offer more customization, offline access, and integration with calendars, contacts, and other productivity tools.
While automatic configuration is available in most modern email clients, sometimes it becomes necessary—or preferable—to set things up manually. Whether it’s for security, advanced customization, or troubleshooting, manual configuration gives you full control over how your Gmail account interacts with Outlook or Thunderbird.
In this detailed guide, we will walk you through the manual configuration process for Gmail on both Microsoft Outlook and Mozilla Thunderbird using the IMAP or POP3 protocols.
Understanding IMAP vs POP3
Before diving into setup, it’s important to understand the two protocols you can use to fetch emails:
IMAP (Internet Message Access Protocol): Keeps emails on the server and syncs changes across all devices. Great for users who access email from multiple devices.
POP3 (Post Office Protocol 3): Downloads emails from the server and typically deletes them after download. Best for single-device usage.
Recommended: Use IMAP for most modern setups unless you have a specific reason to use POP3.
Prerequisites Before Manual Setup
Before adding Gmail manually to Outlook or Thunderbird, make sure the following conditions are met:
1. Enable IMAP or POP in Gmail Settings
Log in to your Gmail account via browser.
Click the gear icon → See all settings.
Go to the Forwarding and POP/IMAP tab.
Under IMAP Access, select Enable IMAP.
(Optional) Under POP Download, you can also choose to enable POP.
Click Save Changes.
2. Allow Access for Less Secure Apps (If Needed)
If you are using an older version of Outlook or Thunderbird that does not support OAuth2 authentication, you may need to enable access for less secure apps in your Google Account. However, Google is phasing this out and strongly encourages using OAuth2.
3. Use an App Password (If 2FA is Enabled)
If your Google account uses 2-Step Verification, you need to create a special App Password:
Go to your Google Account → Security.
Under Signing in to Google, click App Passwords.
Generate a password for "Mail" and "Windows Computer" (or other applicable label).
Use this app password instead of your normal Google password during setup.
Manual Configuration Settings for Gmail
Here are the server settings for Gmail that you’ll use during manual setup:
IMAP Settings (Recommended)
Incoming Mail (IMAP) Server: imap.gmail.com
Port: 993
Requires SSL: Yes
Outgoing Mail (SMTP) Server: smtp.gmail.com
Port: 465 or 587
Requires SSL: Yes (465) / TLS: Yes (587)
Requires Authentication: Yes
Username: Your full Gmail address (e.g., user@gmail.com)
Password: Your Gmail password or app password
POP3 Settings (Optional)
Incoming Mail (POP) Server: pop.gmail.com
Port: 995
Requires SSL: Yes
Outgoing Mail (SMTP) Server: smtp.gmail.com
Port: 465 or 587
Requires SSL/TLS: Yes
Requires Authentication: Yes
How to Configure Gmail Manually in Microsoft Outlook
Outlook supports multiple versions (2016, 2019, Outlook for Microsoft 365, etc.). The steps below are generally applicable across recent versions.
Step-by-Step Setup Using IMAP
Step 1: Open Account Settings
Launch Microsoft Outlook.
Go to File > Account Settings > Manage Profiles > Email Accounts.
Click New to add a new email account.
Step 2: Choose Manual Setup
Select Manual setup or additional server types.
Click Next.
Step 3: Choose Account Type
Select POP or IMAP and click Next.
Step 4: Enter User Information
Field
Value
Your Name
Enter your name
Email Address
your Gmail address
Step 5: Enter Server Information
Field
Value
Account Type
IMAP
Incoming mail server
imap.gmail.com
Outgoing mail server (SMTP)
smtp.gmail.com
Step 6: Logon Information
Field
Value
User Name
Your Gmail email address
Password
Gmail or App Password
Remember password
Check this box
Step 7: More Settings
Click More Settings > Outgoing Server tab.
Check: My outgoing server (SMTP) requires authentication
Choose: Use same settings as my incoming mail server
Then go to the Advanced tab:
Incoming Server (IMAP): 993
Use the following type of encrypted connection: SSL
Outgoing Server (SMTP): 587 (or 465)
Use the following type of encrypted connection: TLS (or SSL if using 465)
Click OK to save.
Step 8: Test Account Settings
Click Next
Outlook will attempt to log in to the Gmail servers and send a test message.
If all settings are correct, you’ll see a success message.
Step 9: Finish
Click Finish and start using Gmail inside Outlook.
Optional: Configure Using POP3
Repeat the same steps but choose POP instead of IMAP. Use the POP settings listed earlier. Keep in mind that POP3 downloads emails and may remove them from the server.
How to Configure Gmail Manually in Mozilla Thunderbird
Mozilla Thunderbird is a free, open-source desktop email client. It offers excellent flexibility and security, making it a favorite for power users.
🛠 Step-by-Step Setup Using IMAP
Step 1: Launch Thunderbird and Begin Setup
Open Thunderbird.
If this is your first time, a setup wizard will start automatically.
Otherwise, go to Tools > Account Settings > Account Actions > Add Mail Account.
Step 2: Enter Account Information
Enter the following:
Your name: Your display name
Email address: your Gmail address
Password: Gmail password or App Password (if 2FA is enabled)
Click Continue.
Step 3: Choose Manual Configuration
After it attempts automatic setup, click Manual config.
Step 4: Enter Manual Server Settings
Field
Value
Incoming
IMAP
Server hostname
imap.gmail.com
Port
993
SSL
SSL/TLS
Authentication
Normal Password
| Outgoing | SMTP |
| Server hostname | smtp.gmail.com |
| Port | 587 (or 465) |
| SSL | STARTTLS (for 587) or SSL/TLS (for 465) |
| Authentication | Normal Password |
Make sure your Username is your full Gmail address for both incoming and outgoing.
Click Re-test and Done once verified.
Configuring with POP3 (Optional)
You can use POP3 instead of IMAP if you prefer to download and remove emails from Gmail's server.
Use the following for POP3 setup:
Server hostname: pop.gmail.com
Port: 995
SSL: SSL/TLS
Authentication: Normal Password
Security Tips for Manual Gmail Setup
While configuring manually gives you control, it’s important to follow best practices:
Use App Passwords with 2FA
Never use your primary Google password in a third-party app if you have two-step verification. Always generate an app-specific password.
Enable SSL/TLS Encryption
Always enable encryption for both incoming and outgoing mail. Gmail requires it and it ensures your messages are protected.
Avoid Public Wi-Fi for Configuration
When logging in or setting up Gmail accounts, avoid public networks. Sensitive credentials could be at risk.
How to Sync Contacts and Calendars (Optional)
By default, email clients like Outlook and Thunderbird don’t sync Gmail calendars and contacts unless specifically configured.
Syncing Gmail Calendar in Outlook
Use Google Workspace Sync for Microsoft Outlook if you have a Google Workspace account.
For personal Gmail accounts, use third-party plugins or export/import features.
Syncing Gmail Contacts
Contacts can be exported from Gmail and imported into Outlook or Thunderbird.
Some sync tools or extensions are available for continuous synchronization.
Troubleshooting Common Issues
Incorrect Password or Login Error
Ensure you're using an App Password if 2FA is enabled.
Recheck that your password is entered correctly.
Unable to Connect to IMAP/SMTP Server
Confirm ports and SSL settings.
Check firewall or antivirus settings that may be blocking email clients.
Try logging in to Gmail via browser to confirm account is working.
"Allow Access to Less Secure Apps" Error
If you're using an older client that doesn’t support OAuth, you'll need to enable this option or upgrade your client.
Final Thoughts
Setting up Gmail manually in Outlook or Thunderbird gives you more control and flexibility over how your emails are managed. Whether you prefer IMAP for seamless syncing or POP3 for old-school downloading, configuring Gmail manually ensures better understanding and management of your email workflow.
Just remember:
Use IMAP if you access Gmail from multiple devices.
Generate App Passwords if you use Two-Step Verification.
Always enable SSL/TLS for a secure connection.
Test your settings carefully to ensure smooth operation.
With these detailed steps, you should be able to connect Gmail with either Outlook or Thunderbird manually without relying on auto-configuration wizards.