AI email summarizer that turns any thread into three lines
InboxManager is an AI email summarizer that reads long threads for you and writes three lines on top: what was decided, what is being asked of you and which deadlines matter. It works inside Gmail and Outlook, so you see the summary where you already read mail, and you open the full thread only when you need the detail.
Three lines with decisions, asks and deadlines
A forty-message thread with five people, two forwarded attachments and a side conversation about lunch can take ten minutes to reconstruct. The InboxManager summary keeps to the same three-part shape every time, so you know where to look.
- 01 Decided, the conclusions the thread has reached, such as the agreed budget or the chosen vendor.
- 02 Asked of you, the questions or approvals that are waiting on you by name, with who asked.
- 03 Deadlines, every date that matters in the thread, in order, including the ones buried in a reply from two weeks ago.
When nothing is asked of you, the summary says so plainly. When the thread contradicts itself, for example two different launch dates, the summary points that out instead of picking one.
Where the summary shows up
Summaries appear at the top of the thread in a short note that InboxManager adds to the conversation view, and the same text is used in the daily email briefing and next to reply drafts. You do not need a new app or a browser extension. On your phone, the summary is the first thing you see when you open a long thread in the Gmail or Outlook app, which is where it saves the most time.
Which threads get summarized
Summaries are created for threads that are long enough to be worth it, by default threads with six or more messages or a total length above a few screens of text, and only in the lanes that matter: Important, Needs reply and Waiting. Newsletters and notifications are skipped. You can ask for a summary of any thread by hand, and you can set rules such as "Summarize every thread from the board, even short ones."
An executive catching up after two days of travel
Consider the COO of a 60-person logistics company who lands after two days of customer visits. One thread about a warehouse lease has grown to 34 messages between the finance lead, the landlord's agent, an outside lawyer and two operations managers. The InboxManager summary at the top reads, in three lines, that the team agreed to the five-year term at the revised rate, that the lawyer is asking the COO to approve the early exit clause by Thursday, and that the landlord needs a signed copy by the 28th. The COO opens the thread once to read the clause, replies with an approval drafted by the AI email response generator and moves on. The rest of the 34 messages stay unread, which is the point.
Summaries that update as the thread grows
A summary is not a one-time snapshot. When new replies change a decision or add a deadline, the summary is refreshed with the new state and marks what changed since you last looked. If the landlord moves the signing date, the new date replaces the old one and the line notes that it moved, so you are not working from yesterday's version.
An email summarizer you can check in one click
Every line in the summary links back to the message it comes from. If a line says the budget was approved, one click jumps to the reply where that happened. The summarizer only states what is written in the thread. It does not guess at intent, add outside facts or fill gaps with assumptions, and when a point is unclear it says that the thread does not settle it.
Works with sorting, follow-ups and delegation
Summaries are most useful next to the rest of the product. The AI email organizer decides which threads are important enough to summarize. Threads in Waiting show a summary when the email follow up reminder brings them back, so you remember what you asked. An assistant working through email delegation to executive assistant can read the summary, prepare a reply and leave the decision to you, and a team working in the shared inbox software sees the same summary on a customer thread, whoever picks it up.
Thread summaries on each plan
Summaries are counted as summaries created in the billing period, and a refresh of an existing summary on the same day does not count again. Deleting a thread does not return a summary to the count. The app shows current use, and a higher plan raises the limit.
| Plan | Thread summaries per month |
|---|---|
| Starter | 400 |
| Plus | 900 |
| Pro | 3,500 |
| Enterprise | 9,000 |
Compare all limits on the pricing page.
Does the AI email summarizer read attachments
Summaries cover the text of the messages in the thread, including quoted replies and forwarded messages. Attachments are named in the summary when the thread discusses them, for example "revised contract attached on the 12th", but their contents are not summarized.
Can I share a summary with someone else
Yes. You can copy the three lines into a reply or a forward, and InboxManager can prepare a draft that forwards the thread with the summary on top, which is useful when you hand a topic to a colleague.
Is the summary visible to the other people on the thread
No. The summary is visible only inside your own mailbox, or inside the shared inbox for team addresses. Nothing is added to the messages other people receive.
How is my email data handled for summaries
Thread text is processed only to create your summary and is never used to train AI models. Access uses the official Google API and Microsoft Graph with OAuth, and you can disconnect at any time. Details are on the email data privacy page.
Read three lines instead of forty messages
Connect Gmail or Outlook and let InboxManager put the decisions, asks and deadlines at the top of every long thread.