Check Outlook on the web and Classic Outlook’s configured draft-save location first, because this distinguishes a desktop display/synchronization problem from drafts that were never stored in the mailbox.
Locate the missing drafts
- Sign in to Outlook on the web using the same work account.
- Check Drafts.
- Search the mailbox using distinctive words from the subject, recipient, or message body.
- If either message was a reply or forward, also open the original conversation’s folder. Some Outlook web drafts can appear alongside the original message and are marked Draft.^1^
- Check where Classic Outlook is configured to save drafts.
- Go to File → Options → Mail.
- Under Save messages, inspect Save to this folder.
- If it is set to Inbox, Sent Mail, or Outbox, check that folder in the mailbox belonging to the account from which the messages were composed.
- Change it to Drafts for future messages.
- Enable Automatically save items that have not been sent after this many minutes and choose a value from 1–99. The default is three minutes.^2^
- Try server-side recovery, since the messages are not in Deleted Items:
- Ensure Outlook shows Connected.
- Select Deleted Items.
- On the Home tab, select Recover Deleted Items From Server.
- Sort by Subject or Deleted On, select the drafts, and choose Restore Selected Items → OK.
- Restored items first return to Deleted Items, from where they can be moved to Drafts.^3^
If Recover Deleted Items From Server is unavailable, that account does not support this recovery method. If it is available but the drafts are absent, ask the Microsoft 365 administrator whether mailbox recovery is still possible; retention periods can be controlled by organizational policy.^3^
Prevent another loss
For important messages, explicitly save before closing:
- In the compose window, select File → Save, or select Save on the Quick Access Toolbar.
- Confirm that the message appears in Drafts before closing it.
- Pause typing for several seconds if relying on autosave; Classic Outlook only automatically saves after typing has stopped briefly.^2^
For particularly detailed messages, use File → Save As to keep an additional local copy before closing.
If the problem continues
If drafts appear in Outlook on the web but not Classic Outlook, the mailbox copy exists and the issue is local to the desktop client. Test Classic Outlook without add-ins:
- Press Windows+R.
- Enter
outlook.exe /safe.
- Create a short test message, select File → Save, close it, and check Drafts.
- If saving works in safe mode, go to File → Options → Add-ins → COM Add-ins → Go.
- Disable add-ins without removing them, restart Outlook, and re-enable them one at a time until the problem returns.^4^
If the same failure occurs in safe mode, repair the profile through File → Account Settings → Account Settings → Email, select the account, and choose Repair. The Repair option is not available for Outlook 2016 connected to Exchange.^5^
If neither Outlook on the web nor server recovery contains the two messages, and the administrator cannot recover them, they were likely never committed to the mailbox and may not be recoverable.
References
- Create and respond to messages in Outlook Web App | Microsoft Support
- Classic Outlook
- Classic Outlook
- Classic Outlook
- Fix your Outlook email connection by repairing your profile