Outlook won't open or keeps crashing? Three things to try

When Outlook won't open, freezes or keeps closing, you can usually get back to your email quickly while we look at the cause.

Try these, in order

1. Use Outlook on the web for now. Go to outlook.office.com and sign in. Your email, calendar and contacts are all there, so you can keep working.
2. Close Outlook fully and restart your computer. If Outlook is frozen, close it from Task Manager (Ctrl + Shift + Esc), then restart.
3. Classic Outlook: open it in safe mode. Hold Ctrl while you open Outlook, then select Yes. Safe mode turns off add-ins, so if Outlook works there, an add-in is the likely cause. Tell us which add-ins you use.

Also check

• Look for a sign-in window hidden behind other windows. Outlook may be waiting for your password.
• Make sure Office is up to date. Many Outlook problems are fixed by updates.

Still crashing? Email support@deepnet.com from Outlook on the web with a screenshot of any error, or call 707-755-8000.