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Windows Mail can stop downloading messages for several reasons, including a weak internet connection, outdated app files, incorrect sync settings, expired account credentials, or problems with the mail provider’s servers. When this happens, new emails may not appear, folders may stop updating, or the app may show sync errors without making the cause obvious.
The good news is that most Windows Mail download issues can be fixed with a few practical checks. Start with the basics, such as confirming your connection and service status, then move through sync settings, password and server details, app troubleshooting, repair options, and finally removing and re-adding the affected account if needed.
If Windows Mail still misses messages, Outbyte PC Repair can optionally check settings, clean caches, and inspect the app-crash log.
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Before changing account settings or resetting the app, confirm that Windows Mail can actually reach the internet and that your email provider is not having an outage. Mail may open normally and still fail to download messages if your connection is unstable, blocked by a VPN, or limited to local network access. Start by opening a browser and loading a few different websites, then try signing in to your email account through webmail, such as Outlook.com, Gmail, Yahoo Mail, iCloud.com, or your workplace mail portal.
If websites are slow or do not load, focus on the connection first. Disconnect and reconnect to Wi-Fi, restart your router, or switch temporarily to a mobile hotspot to see whether Windows Mail starts syncing. On Windows, you can also go to Settings > Network & internet and check whether your network shows as connected. If you are using a metered connection, Windows may limit background data in some cases, so open the network’s properties and review the Metered connection setting.
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- Restart the connection: Turn Wi-Fi off and back on, or unplug and reconnect your Ethernet cable.
- Test another network: Try a hotspot or a different Wi-Fi network to rule out router or ISP problems.
- Disable VPN or proxy temporarily: Some VPNs, proxies, and security filters interfere with mail servers, especially IMAP, SMTP, and Exchange connections.
- Check airplane mode: Make sure airplane mode is off under Settings > Network & internet > Airplane mode.
Next, check whether the mail service itself is working. If you use a Microsoft account, visit the Microsoft service status page and look for Outlook.com, Microsoft 365, or Exchange Online incidents. For Gmail, Yahoo, iCloud, or a business provider, check the provider’s status page or social support channel. If webmail also fails to load new messages, shows sign-in errors, or reports a temporary service problem, Windows Mail is probably not the source of the issue.
For work or school accounts, outages and access restrictions may be controlled by your organization. A company firewall, expired password policy, conditional access rule, or disabled legacy mail protocol can stop Windows Mail from downloading messages while webmail still works. If the account is managed by an IT department, confirm whether Windows Mail is allowed and whether the account requires Outlook, modern authentication, or a specific device compliance setting.
Update Windows Mail and Windows
After ruling out connection problems and a temporary mail service outage, make sure both the Mail app and Windows are up to date. Windows Mail depends on several Windows components for account authentication, background sync, notifications, and secure connections to providers such as Outlook.com, Microsoft 365, Gmail, Yahoo, and IMAP mail servers. If the app or operating system is behind on updates, messages may stop downloading, folders may fail to refresh, or the app may show old mail even though new messages are available on the web.
First, update the Mail app through the Microsoft Store. Open Microsoft Store, select Library, then choose Get updates. If an update is available for Mail and Calendar or Outlook for Windows, install it. On some Windows 11 systems, Microsoft is replacing the older Mail and Calendar app with the new Outlook for Windows, so you may see an Outlook-related update instead. Let the update finish, then close and reopen the mail app. If the app was already open during the update, restart it fully rather than just switching back to the existing window.
- Open Microsoft Store from the Start menu.
- Select Library in the lower-left corner.
- Click Get updates.
- Install any available updates for Mail and Calendar, Outlook, and related Microsoft apps.
- Restart the Mail app and try syncing the affected inbox again.
Next, check for Windows updates. Go to Settings > Windows Update, then select Check for updates. Install all available cumulative updates, security updates, and Microsoft Store-related components. If Windows asks you to restart, do so before testing Mail again. A pending restart can leave updated system files only partially applied, which may continue to affect mail sync until the reboot is complete.
It is also worth checking Advanced options under Windows Update for optional updates, especially if Mail stopped downloading messages after a major Windows upgrade or after changing network hardware. Optional driver and platform updates can sometimes resolve problems with network adapters, security certificates, or background services that Mail relies on. You do not need to install every optional driver blindly, but updates from Microsoft for your network adapter, chipset, or system firmware may help if the issue affects other online apps as well.
Once updates are installed, open Mail and manually sync the problem account. In the classic Mail app, select the account, then use the Sync button near the top of the message list. In the new Outlook for Windows, use the refresh control or switch folders to trigger a new sync. If messages begin downloading again, the problem was likely caused by an outdated app component or a Windows update that had not finished installing. If the inbox still does not refresh, continue by checking the account’s sync settings, password, and server configuration.
Review mailbox sync settings
If Windows Mail opens normally but only shows old messages, downloads messages from some folders but not others, or seems to stop at a certain date, the account’s sync settings are a good place to check. Mail lets you control how often it checks for new content and how much email history it keeps locally. If these options are set too narrowly, new mail may appear delayed or older messages may never download to the app.
Open the Mail app, select the Settings gear in the lower-left corner, then choose Manage accounts. Select the affected email account and click Change mailbox sync settings. If you do not see this option, the account type or organization policy may be limiting what you can change, but for most Outlook.com, Microsoft 365, Gmail, Yahoo, IMAP, and Exchange accounts, these controls are available.
- Download new content: Set this to as items arrive if available, or choose a frequent interval such as every 15 minutes. If it is set to manual, Mail will not check for new messages until you trigger a sync.
- Download email from: Choose a wider range such as any time if you need older messages. If this is set to the past 7 days or past month, Mail may be working correctly while simply hiding older mail from the local view.
- Sync options: Make sure Email is switched on. Some accounts also show separate toggles for Calendar and Contacts, but the Email toggle must be enabled for message download.
After changing these options, select Done, then Save. Return to the inbox, press the Sync button, and leave Mail open for a few minutes. Accounts with large mailboxes can take time to refresh, especially after changing the email history range to download all messages. During this period, avoid repeatedly removing the account or closing the app, as that can interrupt the first full sync.
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Also check whether you are looking at the correct folder. Windows Mail may show the Focused inbox for some Microsoft accounts, which separates messages into Focused and Other. Junk, Archive, and custom IMAP folders may also need to be opened once before their contents refresh. If messages appear in webmail but not in a specific folder in Windows Mail, right-click or open that folder from the folder list and run sync again.
If your mailbox is connected through IMAP, folder mapping can affect what appears in the app. For example, Gmail labels may not behave exactly like standard folders, and some provider-created folders may appear under a separate account folder tree. Expanding the full folder list can reveal messages that seem missing from the main inbox. Once the sync range, download frequency, and folder view are correct, Windows Mail should begin downloading messages consistently unless credentials, server settings, or the app installation itself need attention.
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Verify account password and server settings
If Windows Mail can open but stops downloading new messages for one account, the sign-in details or mail server configuration may no longer match what your provider expects. This often happens after changing your email password in a browser, enabling two-factor authentication, switching hosting providers, or when an organization updates its mail server names. Windows Mail may keep showing old messages while silently failing to sync new ones.
Start by confirming that your email password works outside the Mail app. Open your provider’s webmail site in a browser, such as Outlook.com, Gmail, Yahoo Mail, iCloud Mail, or your company’s webmail portal, and sign in with the same address. If the password fails there, reset it with the provider first. After the password is updated, return to Windows Mail and select the affected account when prompted to fix it. You can also update the credentials manually by opening Mail, selecting Settings > Manage accounts, choosing the account, and selecting Change mailbox sync settings or Account settings, depending on the account type.
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1Clear out junk files and repair common Windows errors2Fix the driver behind crashes, sound loss and screen glitches3Repair Windows errors before they cause bigger problemsFor accounts protected by two-factor authentication, your normal password may not be accepted by Windows Mail. Some providers require an app password for mail clients that connect through IMAP, POP, or SMTP. Check your provider’s security settings for an option such as App passwords, Third-party app access, or Less secure app access. Generate a new app password if required, then use that password in Windows Mail instead of your regular account password.
If the account was added using advanced setup, verify the incoming and outgoing server details carefully. Open the account settings in Mail and compare them with the official settings from your provider or email administrator. A single wrong port number, encryption option, or server name can prevent downloads even when the password is correct.
- IMAP incoming server: commonly uses port 993 with SSL/TLS enabled.
- POP incoming server: commonly uses port 995 with SSL/TLS enabled.
- SMTP outgoing server: commonly uses port 587 with STARTTLS, or port 465 with SSL/TLS.
- Username: usually your full email address, not just the part before the @ symbol.
- Outgoing authentication: should normally be enabled and use the same username and password as incoming mail.
Also check whether the account is using the right protocol. IMAP is usually best because it syncs mail across devices and keeps folders aligned with the server. POP can download messages to one device and may remove them from the server depending on the provider’s settings, which can make it look as if Mail is missing messages. If you are unsure which protocol to use, choose the provider’s automatic setup option when adding the account, or use the IMAP settings listed in the provider’s help documentation.
After correcting credentials or server details, close and reopen Windows Mail, then select the sync icon for the account. If Mail displays a message such as Your account settings are out of date, choose the fix option and sign in again. For work or school accounts, you may also need to approve a modern authentication prompt, accept device management requirements, or contact your administrator if access from the Windows Mail app has been restricted.
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Run the Windows Store Apps troubleshooter
If Windows Mail still opens but refuses to download new messages after you have checked sync settings, passwords, and server details, the problem may be with the Mail app’s Windows components rather than the email account itself. The Windows Store Apps troubleshooter can check for common app-related issues, including broken app permissions, corrupted cache data, licensing problems, and background service issues that may stop Mail from syncing properly.
On Windows 11, open Settings, select System, then choose Troubleshoot > Other troubleshooters. Find Windows Store Apps in the list and click Run. On Windows 10, go to Settings > Update & Security > Troubleshoot > Additional troubleshooters, then select Windows Store Apps and choose Run the troubleshooter.
Let the scan complete before reopening Mail. The tool may suggest actions such as resetting Microsoft Store cache, enabling required services, fixing temporary app files, or applying permission changes. If it offers an automatic repair, apply it, then restart your PC. After the restart, open Mail, select the affected inbox, and use the sync button to check whether messages begin downloading again.
If the troubleshooter reports that it found no problems, that does not rule out an app-specific fault. It only means Windows did not detect a general Microsoft Store app issue. At that point, continue with a direct repair or reset of the Mail app, since those options target the local Mail installation more specifically and can clear damaged app data that the troubleshooter may not replace.
Repair or reset the Mail app
If Windows Mail still opens but refuses to download new messages, the app’s local files or cached data may be damaged. Windows includes built-in options to repair or reset Microsoft Store apps without uninstalling them. Start with Repair, because it attempts to fix the app while keeping your app data and configured accounts intact.
- Close the Mail app completely.
- Open Settings.
- Go to Apps > Installed apps.
- Find Mail and Calendar or Outlook for Windows, depending on which app is installed on your PC.
- Select the three-dot menu next to the app, then choose Advanced options.
- Scroll to the Reset section and click Repair.
After the repair finishes, reopen Mail and try syncing the affected account again. You can usually force a sync by selecting the account inbox and clicking the Sync icon. If the app starts downloading messages, leave it open for a few minutes, especially if the mailbox contains a large backlog of unread or older email.
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If repairing the app does not help, use the Reset option from the same Advanced options screen. Resetting clears the app’s local data, sign-in state, cached messages, and app preferences. Your email stored on the provider’s server is not deleted, but accounts added to the Mail app may need to be set up again afterward. This is especially useful when Mail shows a blank inbox, gets stuck on “Downloading messages,” repeatedly asks to sync, or crashes when opening a specific mailbox.
- Use Repair first: best for minor app corruption, sync glitches, or missing interface elements.
- Use Reset second: best when Mail keeps failing after repair or when cached account data appears corrupted.
- Restart afterward: reboot Windows before testing again to clear background processes tied to the app.
Once the reset is complete, launch Mail and add your account again if prompted. For Outlook.com, Microsoft 365, Gmail, Yahoo, and iCloud accounts, use the built-in provider option rather than manual setup when available. This lets Windows apply the correct authentication method and server settings automatically. If messages still do not download after a reset, the issue is more likely tied to the individual account configuration, mailbox permissions, or the account’s connection to the Mail app, so the next step is to remove and re-add the affected email account cleanly.
Remove and re-add the email account
If Windows Mail still refuses to download new messages after you have checked sync settings, credentials, updates, and app repair options, the account profile stored in the app may be damaged or outdated. Removing the account from Mail and adding it again forces Windows to create a fresh connection to the mail server, rebuild local sync data, and apply the current authentication method required by your provider.
This is especially useful after changing your email password, enabling two-factor authentication, switching security settings in Outlook.com, Gmail, Yahoo, or an IMAP account, or migrating mail to a new provider. Removing the account from the Mail app does not delete messages from the mail server for webmail and most IMAP, Exchange, Microsoft 365, Outlook.com, and Gmail accounts. It only removes the local copy and the account settings from the app. If you use an old POP account, check your provider’s webmail first to confirm your messages are still stored online before removing the account.
- Open the Mail app.
- Select the Settings gear icon, usually in the lower-left corner.
- Choose Manage accounts.
- Select the account that is not downloading messages.
- Choose Delete account from this device.
- Confirm the deletion and close the Mail app.
- Reopen Mail, go back to Settings > Manage accounts, and select Add account.
- Choose the correct account type, such as Outlook.com, Google, Yahoo, Exchange, or Other account for IMAP or POP.
- Sign in again and allow any requested permissions so Mail can access email, calendar, and contacts where applicable.
When adding the account back, choose the built-in provider option whenever it is available instead of manually configuring it as “Other account.” For example, use Google for Gmail and Outlook.com for Outlook, Hotmail, Live, or MSN addresses. These options use the provider’s modern sign-in flow and are less likely to fail because of blocked basic authentication, app password requirements, or outdated server names.
If you must add the account manually, enter the full email address as the username and confirm the incoming and outgoing server settings from your mail provider’s support page. For IMAP accounts, the incoming server commonly uses port 993 with SSL/TLS, while SMTP commonly uses port 465 or 587 with authentication enabled. After the account is added, leave Mail open for several minutes, then select Sync. Large mailboxes may take time to repopulate, so test by sending yourself a new message and checking whether it appears in both webmail and Windows Mail.
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Will resetting the Windows Mail app delete my emails?
Resetting the Mail app removes the app’s local data, settings, and cached messages from your PC, but it does not delete emails stored on your email provider’s server. After you open Mail again and sign in, your messages should sync back if the account is still active and the sync settings are correct.
Why does Windows Mail show new email on my phone but not on my PC?
This usually means the issue is local to the Windows Mail app or your PC’s sync configuration. Check that the account is set to download new mail as items arrive or at a regular interval, confirm the PC has a working internet connection, and make sure Windows Mail is updated. If only one account is affected, removing and re-adding that account often fixes a broken sync profile.
What should I do if Windows Mail keeps asking for my password?
First, sign in to your email account through a web browser to confirm the password is correct. If you recently changed your password, use two-factor authentication, or your provider requires app passwords, update the saved credentials in Windows Mail or generate an app password from your provider’s security settings. Also check that the incoming and outgoing server settings match your provider’s current requirements.
How far back can Windows Mail download old messages?
Windows Mail may be set to download only recent email, such as the past 7 days, 2 weeks, or 1 month. Open the account’s mailbox sync settings and change the download email from option to any time if you want older messages to appear. After changing it, give the app time to resync, especially for large mailboxes.
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If only one email account is not downloading messages, remove and re-add that account first because it targets the broken connection without affecting other accounts. If mulle accounts fail, the app freezes, or settings will not save, repairing or resetting the Mail app is the better next step. Try repair before reset, since repair attempts to fix the app without clearing its local data.
Bottom Line
Windows Mail usually stops downloading messages because of sync settings, outdated credentials, server connection problems, or a damaged Mail app/account profile. Start with the quick checks first: confirm your internet connection, verify account details, enable email sync, and make sure the app is up to date.
If messages still will not download, repair or reset the Mail app, remove and re-add the affected account, or check your provider’s webmail for outages and security prompts. Once Mail starts syncing again, keep Windows and the app updated to reduce the chances of the problem returning.
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