Gmail Multiple Inboxes: How to Set It Up and What It Cannot Do
Put every mailbox on one board and let AI categorize and de-spam each message.
Gmail's Multiple Inboxes is a layout setting that splits your one Gmail account into several panels on the same screen, each panel filled by a search query you write. It does not add other accounts. That is the part that catches almost everyone: people turn it on hoping to see two Gmail accounts side by side, and instead get one account sliced into sections. Here is how to set it up properly, what each field actually does, why it sometimes refuses to appear, and what to use when the thing you wanted was all your accounts in one list.
What is Multiple Inboxes in Gmail?
Multiple Inboxes is one of Gmail's inbox types, sitting alongside Default, Important First, Unread First, Starred First, and Priority Inbox. When you pick it, Gmail keeps your normal inbox and adds up to five extra panels next to or below it. Each panel is defined by a Gmail search query, so a panel can show anything Gmail search can find: a label, a sender, mail with attachments, starred mail, or a hand-built query. It is a view over one mailbox, nothing more.
Google added it as a way to work several streams of mail at once without switching screens. A support rep can watch unassigned tickets in one panel and their own follow-ups in another. A founder can pin a panel of starred mail above the flood. Used that way it is genuinely good, and it costs nothing.
Can you have multiple inboxes in Gmail?
You can have multiple inbox panels inside one Gmail account, and you cannot have multiple Gmail accounts in one inbox. Those are two different asks and Gmail only answers the first. Multiple Inboxes splits a single mailbox into query-driven sections. There is no setting anywhere in Gmail that stacks the mail from two separate Google accounts into one combined list on the web. If that is what you need, you are looking for a way to combine email accounts, which is a different mechanism entirely.
How do I set up Multiple Inboxes in Gmail?
On the web, open Gmail, click the gear icon, then See all settings, then the Inbox tab. Under Inbox type, choose Multiple Inboxes. The Multiple inbox sections fields appear right below. Fill in a search query for each section and a name for each, then scroll down and click Save Changes. Gmail reloads and your panels are there.
Two settings underneath are worth setting deliberately. Maximum page size controls how many messages each section shows before it paginates, and the default of five is usually too few to be useful; ten to fifteen reads better. Multiple inbox position lets you put the panels to the right of the inbox or below it. Right-hand panels look tidy on a wide monitor and get cramped on a laptop, so try below first if your screen is under about 15 inches.
What search queries should I use for the sections?
Anything you can type into the Gmail search box works, which is where the feature gets its power. The queries people get the most out of are the simple ones:
is:starredfor a running shortlist of what you flagged.label:invoicesor any label name, for a stream you want permanently visible.is:unread from:([email protected] OR [email protected])for the people you cannot afford to miss.has:attachment newer_than:14dfor anything that arrived with a file recently.to:me -in:chats is:unreadfor mail addressed directly to you, filtering out list traffic.
One rule saves a lot of frustration: a message can appear in more than one panel, and in your main inbox, at the same time. The panels are searches, not folders, so nothing is moved and nothing is exclusive. If you want a message to leave the main inbox and live only in a panel, you need a Gmail filter that applies a label and skips the inbox, and then a panel that searches that label.
Why is Gmail Multiple Inboxes not showing or not working?
Four causes account for nearly all of it. First, you saved the sections but not the page: the Save Changes button is at the bottom of the Inbox tab and it is easy to miss after filling in five fields. Second, you are still on the Default inbox type, because changing the inbox type and defining sections are two separate steps. Third, the query returns nothing, so the panel renders empty and looks broken; paste the same query into the Gmail search box to check it actually matches mail. Fourth, you have Gmail's tabbed inbox (Primary, Social, Promotions) enabled, which conflicts with Multiple Inboxes, so Gmail will not run both at once. Turn the categories off under Settings, then Inbox, and the panels appear.
There is also a legitimate one that is not your fault: Multiple Inboxes is a web feature. If you set it up and then look at your phone and see nothing, that is expected.
Does Multiple Inboxes work on mobile?
No. The Gmail apps for Android and iOS do not render Multiple Inboxes sections, and there is no equivalent setting in the app. Your panels exist only in Gmail on a desktop browser. You can load the Gmail web interface in a phone browser, but the layout collapses and the experience is bad enough that nobody sticks with it. If your mail life happens mostly on a phone, this feature will not help you.
Multiple Inboxes vs a unified inbox: which do you actually want?
The two get confused constantly because both promise "more than one inbox on one screen." They solve opposite problems.
| Question | Gmail Multiple Inboxes | Unified inbox |
|---|---|---|
| How many accounts? | One | Every account you connect |
| What defines a section? | A search query you write | The account the mail arrived at |
| Works on mobile? | No, web only | Yes, in any browser |
| Sorts mail for you? | Only by the query you maintain | Yes, if the tool categorizes on arrival |
| Cost | Included with Gmail | Free clients exist, paid tools add triage |
If your mail is all in one Google account and you want the important slices pinned where you can see them, Multiple Inboxes is the right tool and you should use it. If your mail is spread across a personal Gmail, a work Google Workspace account, an old Yahoo address, and something on your own domain, no Gmail setting will help, because Gmail can only ever show you Gmail.
How do I see two Gmail accounts in one inbox?
Gmail gives you three partial answers and none of them is a unified inbox. You can forward everything from the second account into the first, which merges the mail into one mailbox and requires a verified send-as address so replies leave correctly. You can use Settings, then Accounts and Import, to check mail from the other account, though Google is retiring the POP-based version of that feature and Gmailify: both close to new users after early 2026, with existing users supported into January 2027, while IMAP stays fully supported. Or you can use account switching, which is not combining at all, just a faster way to log in twice.
The clean answer is to stop asking Gmail to do it. Connect each account over IMAP to a client that reads all of them, and the accounts stay separate while the view is combined. That is how the best setups for multiple Gmail accounts are built, and it survives you adding a fifth account next year.
Can I combine Multiple Inboxes with labels and filters?
Yes, and this is where the feature earns its keep. Build a filter that labels incoming mail and skips the inbox, then point a Multiple Inboxes section at that label. Now the mail is out of your main list but permanently visible in its own panel, which is close to what people imagine a smart inbox does. The cost is maintenance. Every new sender, project, and vendor needs a rule, and the rules quietly go stale. Most people build a beautiful filter system in January and abandon it by March, which is the honest case for letting a model read and categorize the mail instead of writing rules that describe it in advance.
That maintenance problem is not unique to email. Any system where you hand-write the rules that classify incoming work has the same decay curve, which is why teams increasingly prefer tools that find the right answer across everything at work rather than ones that require the taxonomy to be built first.
The short version
Multiple Inboxes splits one Gmail account into up to five query-driven panels on the desktop web, and it is a good free feature for anyone living inside a single Gmail. It cannot show a second account, it does not exist on mobile, and it conflicts with the tabbed inbox. If your problem is one account with several streams, turn it on. If your problem is several accounts, you need a real unified inbox: Inboxes connects Gmail, Outlook, iCloud, Yahoo, and any custom-domain mailbox over IMAP, puts them on one board in the browser, and has AI categorize each message and flag spam before you read it.