1 [[!img notmuch-logo.png alt="Notmuch logo" class="left"]]
2 # Frequently Asked Questions
6 ## How come this query matches mails in folder:2013? `notmuch search --output=files folder:inbox`
8 You have duplicates of a message (or messages) in both folders.
10 Notmuch searches are message based. Multiple files may be associated
11 with the same message (i.e. the files have identical Message-ID). A
12 `folder:` search will match the folder of any of the files. The
13 `--output=files` option outputs all the files of all matching messages.
15 ## Shouldn't notmuch support inline PGP?
17 [Why it might not be a good idea](https://dkg.fifthhorseman.net/notes/inline-pgp-harmful/)
19 ## How do I delete messages