My outlook doesn't pull Email from Gmail

Question

My outlook doesn't pull Email from Gmail

Kyle 0

From yesterday, outlook doesn't pull email from Gmail.

I'm using Mac legacy outlook and for some reason, outlook doesn't work.

one of my colleagues is also using outlook with Gmail whose laptop is window and his outlook have same problems.

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Answer 1

Julie Huynh 1,530 Independent Advisor

Dear @Kyle,

Good day! Welcome to Microsoft Q&A forum!

Based on your description, I understand that Outlook is no longer syncing or pulling new emails from your Gmail account starting yesterday. You're using Legacy Outlook for Mac, and at least one of your colleagues who uses Outlook on Windows with a Gmail account is experiencing the same issue. You're looking for assistance in determining whether this is an Outlook, Gmail, or account synchronization issue and restoring email delivery.

To better understand the situation and identify the root cause, could you please help me with the following information:

Is Outlook failing to receive all new Gmail emails, or are only certain emails missing?
Can you successfully send emails from Outlook through the Gmail account?
Are you receiving any error messages, synchronization warnings, or credential prompts in Outlook?
Have there been any recent changes to:
- Gmail account passwords
- Google security settings
- Outlook updates or macOS/Windows updates

Your confirmation would be very helpful in ensuring you receive the most suitable support!

In the meantime, kindly try the following suggestions to check with the situation: Refresh the Gmail connection

Verify that the Gmail mailbox is not at or near its storage limit
Sign out of the Gmail account in Outlook
Clear any existing cached Gmail sign-in credentials on macOS:
- Open Keychain Access
- Search for entries related to Google, Gmail, Outlook, or Microsoft Office
- Remove any Gmail or Google-related credentials associated with the affected account
Restart Outlook
Sign back into the Gmail account and complete the Google authentication prompts
Allow the mailbox time to fully resynchronize and check whether new emails are received (you could send some test emails)

Kindly let me know when there are updates or if you need further assistance. Any updates you’re able to share would be really helpful. I appreciate your time and look forward to hearing how things are going!

Thank you for your time and patience.

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Kyle 0 Reputation points

2026-06-30T15:12:41.7633333+00:00
Hi ! thank you for quick response. Let me answer to your question.

Is Outlook failing to receive all new Gmail emails, or are only certain emails missing?

Yes, all email. I haven't received any email from 4AM today.(KST)

Can you successfully send emails from Outlook through the Gmail account?

I could send email from Outlook through Gmail account. but it took long time. I sent email at 11AM but it was actually sent at 4PM.

Are you receiving any error messages, synchronization warnings, or credential prompts in Outlook?

There's no any error

Have there been any recent changes to:

No any change
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Julie Huynh 1,530 Reputation points Independent Advisor

2026-07-01T10:08:32.3033333+00:00

Dear @Kyle,

Thank you for your additional information!

May I ask if you have had a chance to try the steps that I provided above to clear the cached credentials and also refresh the Gmail connection? Does the issue persist afterwards?

If you've run into any challenges or if there's anything further that I can help with, please don’t hesitate to let me know.

Thanks again for your time and attention! I look forward to hearing from you.
Kyle 0 Reputation points

2026-07-01T10:13:23.97+00:00

@Julie Huynh Hi Julie, how are you ?
Yes, I tried to conduct your suggestion and nothing changed.
All it had been done is take time to get existing email from gmail and no latest email updated.

Today, I update the outlook version 16.110.02 thorugh app store and still suffer same problems.
Julie Huynh 1,530 Reputation points Independent Advisor

2026-07-01T15:04:06.9266667+00:00
Dear @Kyle,

I'm great. I hope you're doing great too. Thank you for your consideration!

Thank you for trying the previous troubleshooting steps. I appreciate your patience as we continue to investigate.

As a next step, I'd like to suggest you to clear the Outlook cache for the affected Gmail account. Microsoft notes that if the Outlook cache becomes corrupted, it can cause synchronization issues such as incomplete or incorrect mailbox data. Resetting the account forces Outlook to re-sync with the mail server.

Please follow these steps:

Open Outlook

From the Outlook menu, select Tools > Accounts

Select the affected Gmail account from the account list

At the bottom of the window, select Manage

Choose Reset Account

Allow Outlook to complete the re-synchronization process and monitor whether new emails are received

Microsoft advises that this process resets the local cache and re-syncs the mailbox from the server.

For your reference: Clear the cache in Outlook for Mac

Could you also please verify the following:

Can you access the same Gmail account through Outlook on the Web and confirm whether new emails appear there?

If the emails are visible in Outlook on the Web but not in the Outlook desktop client, please let me know

If the emails are not visible in either location, please let me know as well, as that would help narrow the scope of the issue

Thank you for your patience and understanding!

Kyle 0

@Julie Huynh
I tried to login to outlook web and I ran into this issue.
And I can't find Reset Account on outlook so I just logout and login again.

UTC Date: 2026-07-02T07:00:30.726Z
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Back Filled Errors: Unhandled Rejection: Error: 500:undefined|undefined:undefined
err: Microsoft.Exchange.Clients.Owa2.Server.Core.OwaUserHasNoMailboxAndNoLicenseAssignedException
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ehk: X-OWA-Error
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cv: [Moderator note: Personally Identifiable Information removed]

Julie Huynh 1,530 Reputation points Independent Advisor

2026-07-02T14:56:06.24+00:00
Dear @Kyle,

Based on the information provided, the error you're encountering in Outlook on the web appears to be related to a Microsoft 365 business mailbox rather than a Gmail mailbox. Specifically, the error references: OwaUserHasNoMailboxAndNoLicenseAssignedException

This error typically indicates that the account being used to sign in does not have an Exchange Online mailbox or the required license assigned.

To help us better understand the scenario, could you please confirm whether your Gmail account has been invited as a Guest (B2B) user to your company's Microsoft 365 tenant?

For example:

Were you invited to collaborate in your company's Microsoft 365 environment using your Gmail address?

Do you sign in to Microsoft services using your Gmail account as a guest account?

Additionally, could you please test using the Outlook on the web for business URL below and let us know if you see the same behavior?

Outlook on the web (Business): https://outlook.office.com/mail/

I appreciate your patience and the information you've provided so far.
Kyle 0 Reputation points

2026-07-02T15:16:10.1166667+00:00

No, my company is using Gmail as business purpose and I'm just using outlook by signing in with Gmail because I'm more familiar with outlook UIUX.

One of my colleagues is going through same issue as me but from IT team of my company, which is based on TW whose outlook is working well.

Then, will it be due to my company's IT issue ?
Julie Huynh 1,530 Reputation points Independent Advisor

2026-07-03T14:15:10.2333333+00:00
Dear @Kyle,

Thank you for the additional details. That helps clarify the situation.

Since your company uses Gmail as the primary mail service and you're only using Outlook as a desktop client to connect to Gmail, the Outlook on the web error is expected and isn't related to your Gmail mailbox. Outlook on the web is designed for Microsoft 365/Exchange Online mailboxes, so it wouldn't be a valid test for a Gmail-connected account in this scenario.

Regarding whether this could be an issue with your company's IT environment, it's difficult to say at this point. Since:

You and at least one colleague are experiencing the same issue.

Other users within your organization are reportedly able to use Outlook with Gmail successfully.

Gmail itself remains the mail provider.

This currently appears more likely to be related to the Outlook client or its connection to Gmail rather than a company-wide Gmail service issue.

As the next steps, could you please try the following:

Clear the Outlook Cache (New Outlook): If you're using the new Outlook experience, please clear the Outlook cache. Corrupted local data can sometimes prevent Gmail from syncing correctly. Note: Microsoft is providing this information as a convenience to you. The sites are not controlled by Microsoft. Microsoft cannot make any representations regarding the quality, safety, or suitability of any software or information found there. Please make sure that you completely understand the risk before retrieving any suggestions from the above link.

Reinstall Outlook: If clearing the cache doesn't help, please uninstall and reinstall Outlook, then add the Gmail account again

Try Classic Outlook: There may be an issue affecting the current Outlook experience. If available on your device, please switch to Classic Outlook and test whether Gmail synchronizes correctly there

Use Gmail temporarily: If email access is business-critical and the issue persists, we recommend temporarily accessing your mailbox through: Gmail web and the Gmail mobile application. This will help ensure you can continue working while we narrow down the cause of the Outlook synchronization issue

Thank you for your kindness and understanding!