Gmail Priority Inbox Setup Guide

Even with Google rolling out AI Overviews in Gmail search in April 2026 to answer questions across your mail, the fastest way to stop missing the messages that matter is still the feature that has quietly outranked the tabbed inbox for years: Priority Inbox. I switched a 40,000-message account over to it, configured all four sections, and trained the importance markers for a week — here is the exact setup, what the yellow arrows actually learn from, and when Multiple Inboxes beats it.

What Priority Inbox Is

Priority Inbox is a Gmail inbox type that stacks your mail into configurable sections — by default Important and unread at the top, then Starred, then Everything else — instead of the single chronological list or the Primary/Social/Promotions/Updates tabs. It ranks mail by predicted importance, not by sender category.

The default tabbed inbox sorts your mail into the Primary, Social, Promotions, and Updates tabs Gmail generates automatically. That is categorization by sender type. Priority Inbox does something different: it predicts which individual messages you actually care about and floats them to the top, regardless of which sender bucket they came from.

The result is a triage view. The messages Gmail thinks need your attention sit in a section at the top of the screen; everything else lives below it. You scan the top, deal with it, and only drop into the lower sections when you have time. After a week on a heavily loaded account, the single biggest change for me was that the “Important and unread” band was almost always 5-15 messages instead of a wall of 200.

How to Turn On Priority Inbox

On a computer, open Gmail at mail.google.com, click the Settings gear, choose See all settings, open the Inbox tab, and set Inbox type to Priority Inbox. The switch is instant and syncs to mobile, though you can only configure the sections from the web.

Step by step:

Open Gmail at mail.google.com on a desktop browser.
Click the Settings gear at the top right.
Click See all settings.
Open the Inbox tab.
In the Inbox type dropdown, select Priority Inbox.

Gmail rebuilds the inbox immediately — no Save button is needed for the inbox type itself, though the section options below it do require Save Changes. The mobile Gmail apps will reflect Priority Inbox once the setting syncs, but per Google’s Gmail Help, the configuration of which sections appear is web-only. Set it up once on a laptop and it travels with the account.

If you have never used importance prediction before, the Important section will be sparse for the first day or two while Gmail watches what you open and reply to. That is expected — the model needs interaction data before it has anything to rank.

Configuring the Four Sections

Priority Inbox shows stacked sections, and each one has a dropdown to choose its contents: Important and unread, Starred, Everything else, or one of your own labels. You also control how many messages each section shows and whether empty sections stay hidden.

Under each section heading in the Inbox tab, the dropdown offers, per Google’s Priority Inbox documentation:

Important and unread — mail Gmail predicts is important and you have not read yet. This is the workhorse section.
Starred — anything you have starred, so your manual flags get their own band.
Everything else — the catch-all for mail that did not qualify for the sections above.
A custom label — point a section at any label you have created, for example a “Clients” or “Receipts” label, to pin that category to the top of the inbox.

You can run up to four sections and set each to show a fixed number of messages. The classic layout is Important and unread, then Starred, then Everything else — but the label option is where it gets powerful, because you can carve out a dedicated panel for the one category you never want buried.

Configuring the sections is half the job; the other half is dealing with the “Everything else” pile, which is mostly newsletters and bulk senders you never asked for. Before that band turns into a graveyard, mass-unsubscribe from the senders you do not read — a tool like Leave Me Alone sweeps your subscriptions in one pass so “Everything else” stays small enough to actually skim. Pairing that cleanup with the steps in our guide to cleaning out an email inbox is what keeps Priority Inbox fast long term.

How the Importance Markers Learn

Gmail predicts importance from your behavior: whom you email and how often, which emails you open, which you reply to, keywords in mail you usually read, and which messages you star, archive, or delete. The yellow arrow next to a message shows that prediction, and hovering over it explains why.

The five signals Gmail uses, straight from Google’s Gmail Help on importance markers, are:

Whom you email, and how often — frequent two-way contacts rank higher.
Which emails you open — opening trains the model that the sender matters.
Which emails you reply to — replying is a stronger signal than opening.
Keywords in mail you usually read — topical patterns the model picks up over time.
Which emails you star, archive, or delete — starring lifts importance; deleting unread lowers it.

The yellow chevron arrow on the left of each message is the visible output. A filled, gold arrow means Gmail rated the message important; an empty outline means it did not. Hover the arrow and Gmail tells you the reason (“marked as important because you often read messages from this sender,” for example), which makes the prediction far less of a black box than Outlook’s Focused Inbox model, where the ranking logic is hidden.

Training It With Mark Important

Click the yellow importance arrow on any message to flip its rating — that single click both moves the message and trains Gmail’s model. Correct mistakes consistently for a few days and the Important and unread section sharpens noticeably.

The training loop is one click:

Spot a message that is rated wrong — a real one Gmail left unmarked, or noise it flagged as important.
Click the importance arrow to the left of the message. Clicking a filled arrow marks it not important; clicking an empty one marks it important.
Gmail logs the correction and applies the lesson to future mail from that sender and topic.

A few habits make the model converge faster:

Correct both directions. Demoting noise teaches Gmail just as much as promoting real mail. If you only ever promote, the Everything else pile stays bloated.
Reply to what matters. Because replies are a strong signal, simply working your real conversations trains the model passively.
Give it a week. On a fresh account the first day or two looks rough; consistent corrections compound quickly after that. This mirrors how the report-spam action trains Gmail’s spam classifier — small repeated signals, big aggregate effect.

If you would rather Gmail stop learning entirely, the Inbox tab has an Importance markers section: choose No markers to hide the arrows, or Do not use my past actions to predict which messages are important to keep the arrows but freeze the model.

Combining Priority Inbox With Filters

Filters override Gmail’s importance prediction for senders you are certain about. Build a filter and tick Always mark it as important or Never mark it as important — Priority Inbox then displays those messages exactly where you want them, no training required.

Importance prediction is good at the long tail of mail you have never categorized, but for the senders you know cold, a filter is faster and deterministic. To pin a sender to the Important section permanently:

Click the search options icon in the Gmail search bar, enter the sender or criteria, and click Create filter.
On the actions screen, tick Always mark it as important.
Apply the filter to existing conversations if you want it retroactive.

The reverse works too: a chronically over-flagged newsletter gets Never mark it as important, and Priority Inbox stops floating it to the top. This layering — filters for the senders you are sure about, the importance model for everything else — is the same pattern that makes a multi-account setup with Gmail and Outlook together manageable. Deterministic rules where you have certainty, machine prediction where you do not.

Multiple Inboxes as an Alternative

Multiple Inboxes is a different Gmail inbox type that lets you define each panel with your own search query — is:starred, label:invoices, or from:boss@company.com — instead of relying on importance prediction. Choose it when you want precise, rule-based panels rather than a machine-learning guess.

Switch to it the same way: Settings → See all settings → Inbox tab → Inbox type → Multiple inboxes. Then, in the Multiple inbox sections area, define each panel with a Gmail search query and give it a name:

is:starred — a panel of everything starred.
is:unread — unread-only triage.
label:clients — a dedicated client panel.
from:accounts@company.com — one sender, always visible.

You can position the panels to the right of the inbox or above it. The trade-off is control versus effort: Priority Inbox is hands-off but probabilistic; Multiple Inboxes is precise but you build every panel yourself and it never adapts. Heavy keyboard users often pair Multiple Inboxes with Gmail keyboard shortcuts to fly between panels without touching the mouse.

My take after running both: Priority Inbox wins for most people because it requires nothing after setup, while Multiple Inboxes is the right call only if you have two or three queries you genuinely live by and want them pinned with zero ambiguity.

Verdict

Priority Inbox is the best default for anyone drowning in mail who does not want to build rules — turn it on, configure the three core sections, train the markers for a week, and let it run. Reach for Multiple Inboxes only when you need deterministic, query-defined panels.

Best for: high-volume inboxes where you want Gmail to surface what matters automatically, with minimal ongoing maintenance after the first week of training.

Skip if: you want exact, rule-based control over every panel — in that case Multiple Inboxes plus filters gives you deterministic placement without any machine-learning guesswork.

Set it up once on the web, spend a week clicking the importance arrows to correct mistakes, keep the “Everything else” pile small by unsubscribing aggressively, and Priority Inbox becomes the closest thing Gmail has to an inbox that triages itself.

Alexis Dollé

Founder & Editor

Alexis Dollé, email expert for 10+ years. Founder of Email Tools. I test every email client and utility myself, then write about them the way I’d explain them to a friend — no marketing fluff, no sponsored rankings, every claim sourced.

Sources & references

Google Gmail Help, “Use Priority Inbox to focus on important email” — inbox type switch, the four configurable sections (Important and unread, Starred, Everything else, custom label), web-only configuration. Accessed 2026-06-07. support.google.com/mail/answer/186531
Google Gmail Help, “Mark emails as important and clear the importance markers” — the five importance-prediction signals, marking important/not important, turning markers off. Accessed 2026-06-07. support.google.com/mail/answer/186543
Google Workspace Updates, Gmail label — AI Overviews in Gmail search announced April 22, 2026 (freshness reference). Accessed 2026-06-07. workspaceupdates.googleblog.com
Google Gmail Help, “Change your Gmail inbox settings” — location of Inbox type and Importance markers controls. Accessed 2026-06-07. support.google.com/mail/answer/6562

Frequently Asked Questions

What is the difference between Priority Inbox and the default tabbed inbox?

The default inbox auto-sorts mail into the Primary, Social, Promotions, and Updates tabs that Gmail generates for you. Priority Inbox instead stacks sections you configure yourself — typically Important and unread at the top, then Starred, then Everything else — so the mail Gmail predicts you care about sits above the noise. Tabs categorize by sender type; Priority Inbox ranks by predicted importance.

How do I turn on Priority Inbox in Gmail?

On a computer, open Gmail, click the Settings gear, choose See all settings, open the Inbox tab, and set Inbox type to Priority Inbox. The change applies immediately and syncs to the Gmail mobile apps, even though you cannot configure the sections from mobile.

How does Gmail decide which emails are important?

Gmail predicts importance from several behavioral signals: whom you email and how often, which emails you open, which you reply to, keywords in mail you usually read, and which messages you star, archive, or delete. Every time you click an importance marker to correct it, you train that model for future mail.

Can I turn off the yellow importance markers without leaving Priority Inbox?

Yes. Go to Settings, See all settings, the Inbox tab, and the Importance markers section. Choose No markers to hide the arrows, or Do not use my past actions to predict which messages are important to keep markers but stop the behavioral learning. Priority Inbox still works, but its Important section relies on those predictions, so disabling them weakens it.

What is the difference between Priority Inbox and Multiple Inboxes?

Priority Inbox uses Gmail’s importance prediction to fill an Important and unread section automatically. Multiple Inboxes lets you define each panel with your own search query — for example is:starred, label:invoices, or from:boss@company.com — giving deterministic, rule-based control instead of a machine-learning guess. Pick Priority Inbox for hands-off triage, Multiple Inboxes for precise self-built panels.

Does Priority Inbox work with Gmail filters?

Yes, and the two complement each other. Filters act first and can apply or remove the important marker explicitly with Always mark it as important or Never mark it as important, so you override Gmail’s prediction for specific senders. Priority Inbox then displays whatever is marked important at the top. Use filters for the senders you are certain about and let the importance model handle the long tail.

Related: How to clean out an email inbox — keep the “Everything else” pile small. Automatic unsubscribe in Gmail — cut the bulk mail Priority Inbox has to sort. Outlook Focused Inbox setup — the Microsoft equivalent compared.