Type “zzz” (or something else that won’t resolve to a valid email address) into the CC or BCC field. Outlook won’t let you send the email until all the email addresses are resolved.
I create a client-only mail rule called “Defer Send”.
- Create a new rule, starting from a Blank Rule “Apply Rule on messages I send”
- Have it process for all sent mail.
- Select “defer delivery by a number of minutes”
Sometimes I’ll add “except if it is marked as importance” as well.
This way, if you accidentally send, you can go and reopen it from your outbox, and it won’t be sent.
While I would prefer to go with CharlieRB’s solution any day, a quick way to achieve a similar effect is to simply go offline for a while:
Then go back online once you’ve finished writing your mail.
Delete (or don’t type) anybody’s name or email address in the
Cc: fields. Then you can’t send it until you enter that info.
There is an option in to “not send immediately”. It is located from the
File tab, then select options. Choose
Advance and scroll down about half way. There under
Send and receive you will see a check box for “Send immediately when connected” (this is checked by default).
This doesn’t “lock” the email, but by removing the check, the messages go into your outbox to wait until the next scheduled send/receive session rather than being sent immediately. In the event you send before you are done editing, you can simply go into the outbox and open the email you were working on.
Add some invalid character to the email address of the recipient until you’re done editing. Like two consecutive at (@) signs.