GreenHornet IT
📧 Email / Mail Setup & Troubleshooting
MailAdd email accounts, fix sending issues, recover deleted emails, and configure Out of Office in Outlook.
Add an Email Account
| # | What to Do | How to Do It |
|---|---|---|
| 1 | Add email account in Outlook | Open Outlook > File > Add Account. Enter your email and follow the prompts. |
Out of Office (Automatic Replies)
| # | What to Do | How to Do It |
|---|---|---|
| 1 | Set up Out of Office | Go to File > Automatic Replies. Set the date range and message, then click OK. |
| 2 | Turn off Out of Office | Go to File > Automatic Replies and select Do not send automatic replies. |
Troubleshoot Outlook
| # | Problem | Fix |
|---|---|---|
| 1 | Emails not sending | Check your internet connection. Then go to Outbox and try resending. If stuck, restart Outlook. |
| 2 | Recover deleted emails | Go to the Deleted Items folder. Right-click email > Restore. |
| 3 | Outlook not opening | Close Outlook, open Task Manager and end any Outlook processes, then reopen. Or use the one-liner below. |
| 4 | Outlook running slow or freezing | Clear the .ost cache (see Quick Reference). Back up the file first if possible. |
Quick Reference — One-Liners
| Task | Command (PowerShell) |
|---|---|
| Kill Outlook | Stop-Process -Name OUTLOOK -Force -ErrorAction SilentlyContinue |
| Restart Outlook | Stop-Process -Name OUTLOOK -Force -ErrorAction SilentlyContinue; Start-Process OUTLOOK |
| List .ost cache files | Get-ChildItem "$env:LOCALAPPDATA\Microsoft\Outlook" -Filter "*.ost" | Select-Object Name, Length, LastWriteTime |
| Open Outlook safe mode | Start-Process "OUTLOOK" "/safe" |
| Check mail profile | Start-Process "control" "mlcfg32.cpl" |