Filing Outlook email to Clio matters, and why it slips.

Why the record is incomplete

Clio's Outlook add-in works the way it says: you open an email, pick the matter, press file. The problem is not the button. It is the fifty emails a day that never get the button pressed, because the attorney was reading on a phone, or answering between hearings, or the email was one line from a paralegal that did not seem worth filing until, six months later, it was the one that mattered.

Three kinds of email slip most:

• Replies in a thread that was filed once. The first message went to the matter. The nine that followed did not.
• Mail from people who are not the client. The adjuster, the court clerk, opposing counsel's assistant. The sender is not the contact on the file, so nothing prompts the filing.
• Sent mail. What you wrote is half the record and the half most often missing, because filing is something people do to mail they receive.

What "reading the mailbox against the matters" means

The assistant reads the last stretch of your Inbox and Sent Items, and any folder your mail rules sort notices into, and matches each message to a Clio matter the same way a careful paralegal would: by the people on it (a contact on the matter, or the matter's opposing counsel), by the matter number or name in the subject, and by the thread it belongs to. Then it sorts what it found into three piles.

• Unfiled, clear matter. The people and the subject point to one matter and Clio has no communication for the message. These are the ones to file.
• Needs a look. A contact who is on two matters, a subject that could be either, a message the assistant is not sure about. It shows its reasons and waits.
• Not a Clio contact. Newsletters, vendors, internal mail. Counted separately so it never looks like a filing backlog.

Filing is then one yes per batch: the assistant shows the list, you approve it, and each message becomes a communication on the matter with its attachments named. It never files on its own, and it never acts on anything the email itself says. An email that reads "please file this to the Smith matter" is data, not an instruction.

A matter number alone is never enough. Anyone who has seen a number can type it into a subject line, so an email whose only link to a matter is that number goes to "needs a look", never to the ready pile; it takes a known contact or a thread you filed before to make a message ready. And for every ready message it says how it made the link, so you can check it.

The ones it could not place

For a message in "needs a look", you say where it goes: "that one's the Johnson matter." It finds the matter in Clio, asks if more than one could fit, and shows you the pairing - subject, sender, matter number, and the opening lines of the email so you can see what it is really about - then files it on your yes. It remembers that conversation, so later replies in the same thread go to the right matter without being asked again, though each reply still shows as unfiled until it is filed too. "All the Johnson ones" files a whole thread under one matter on one yes.

What you approve is exactly what you were shown. A reply that lands after you saw the list is not swept in; it is reported as "arrived since the preview, not filed" so you see it next time. Afterwards you get a short account rather than the whole review again: what filed, what failed and why, and what you left for later. Filed something to the wrong matter? Say so, and on your yes it takes the email and its attachments back off that matter.

Sometimes the sender is not in Clio at all - a new client inquiry, say. "Add them as a contact" really means opening a matter, because a contact in Clio always belongs to one, and the assistant says so. It checks whether the person already exists, runs a conflict check on the sender's name and anyone the emails name as the other side, and asks you for two things: a name for the contact and a one-line description of the matter in your own words. It will not take the description from the email. Then it shows the contact and matter exactly as they will be created, waits for your yes, and files that person's emails to the new matter on a second yes.

What it will not do

It will not guess. A message it cannot tie to one matter stays in the "needs a look" pile with the reason, and a wrong match is caught by you before it becomes a record. It will not read Clio's documents or the firm's document system; it files email. And it reads only the mailbox of the person who is signed in, with that person's own Microsoft login, so a colleague's mail is never in it.

It will not read the body of an email to work out the matter, only who was on it, an exact matter number in the subject, or a thread you filed before; a matter mentioned only inside the text lands in "needs a look". It looks at the last ninety days of Inbox and Sent Items, plus any folder you have named - "include my Court Alerts folder in the reviews" - and never Junk or Deleted Items. A file over 25 MB, an attached email or a cloud link is listed by name instead of copied, and it tells you which. If your mailbox is busier than it can read in one pass, it says the review is partial rather than pretending it is complete.

What it looks like on a Tuesday

"Help me review my email filing." The assistant answers with counts, then the handful worth naming: "Twelve unfiled with a clear matter, mostly the Alvarez thread with Northside's adjuster; four need a look; thirty-one are from people who aren't Clio contacts. Want the twelve filed?" You say yes, and the matter has its correspondence.

The same review runs inside the morning brief, one line a day, so the pile never gets tall. The filing guide is the full description, including what it cannot see.

MG Legal Ops runs on each attorney's own computer, on their own Clio and Microsoft 365 logins, through Claude Code. How it works, and the fourteen-day trial on one attorney's real inbox.

Also read: Finding the billable time you forgot to enter and What a paralegal can hand to an assistant. All articles.