Emails not arriving in Outlook while others can send to you? Here’s how to fix it.
Quick Checks
Verify Emails Are Being Sent
- Ask sender to confirm they sent
- Check if others can send to you
- Send yourself a test email
Check Webmail
- Log into webmail (outlook.com, etc.)
- Check if emails arrive there
- If yes, issue is Outlook sync
- If no, issue is server-side
Check Junk Folder
- Go to Junk Email folder
- Look for missing emails
- If there, emails are being filtered
Sync and Refresh
Force Sync
- Click Send/Receive tab
- Click Send/Receive All Folders
- Or press F9
- Wait for sync to complete
Check Send/Receive Settings
- Send/Receive tab > Send/Receive Groups
- Define Send/Receive Groups
- Check schedule interval (should be 10-15 mins)
- Check “Include account” is checked
Check Work Offline
- Send/Receive tab
- Ensure Work Offline is NOT highlighted
- If highlighted, click to toggle off
Filter and Rule Issues
Check Inbox Rules
Rules may move or delete emails:
- File > Manage Rules & Alerts
- Review all rules
- Look for rules that:
- Move messages automatically
- Delete messages
- Mark as read
- Disable suspicious rules
Check Blocked Senders
- Home tab > Junk > Junk Email Options
- Check Blocked Senders tab
- Remove legitimate senders
- Check Safe Senders tab
Reset Junk Filter
- Home > Junk > Junk Email Options
- Set to “No Automatic Filtering”
- Test if emails arrive
- Gradually increase protection
Account and Connection
Check Account Status
- File > Account Settings > Account Settings
- Ensure account shows connected
- If error, repair account
Repair Account
- File > Account Settings > Account Settings
- Select account
- Click Repair
- Follow prompts
Test Account
- File > Account Settings > Account Settings
- Double-click account
- Click Test Account Settings
- Review results
Focused Inbox
Check Other Inbox
If using Focused Inbox:
- Click Other tab in Inbox
- Check for missing emails
- Move important senders to Focused
Disable Focused Inbox
- View tab
- Click Show Focused Inbox to toggle off
- All emails go to single inbox
Server Settings
Verify Settings
For IMAP:
- Check incoming server name
- Check port (usually 993 for SSL)
- Check encryption type
For Microsoft 365:
- Server: outlook.office365.com
- Most settings automatic
Check Mailbox Size
- File > Account Settings > Account Settings
- Double-click account
- Check mailbox size
- If full, delete old emails
Cache and Sync Issues
Clear Outlook Cache
- Close Outlook
- Press Windows + R
- Type:
%localappdata%\Microsoft\Outlook - Delete contents of cache folder (not .pst/.ost files)
- Reopen Outlook
Rebuild OST File
For Exchange/Microsoft 365:
- Close Outlook
- Same folder as above
- Rename .ost file (add .old)
- Reopen Outlook
- Will rebuild from server
Adjust Sync Slider
- File > Account Settings > Account Settings
- Double-click Exchange account
- Adjust “Download email for past” slider
- Shorter = faster sync, less storage
Profile Issues
Create New Profile
- Close Outlook
- Control Panel > Mail
- Show Profiles > Add
- Create new profile
- Set as default
Server-Side Issues
Check with IT/Admin
If corporate email:
- Contact IT department
- Check for mailbox issues
- Verify account not locked
Check Email Provider Status
For Microsoft 365:
- Visit status.office.com
- Check for service issues
Check Forwarding
- Webmail > Settings
- Check for email forwarding
- Ensure emails not redirecting elsewhere
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Prevention
- Check junk folder regularly
- Review inbox rules
- Keep Outlook updated
- Monitor mailbox size
- Check webmail periodically
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