Gmail says storage is full? It is probably your photos

When Gmail says your storage is full, it is rarely your email that filled it. Gmail, Google Drive and Google Photos share one pool of 15 GB on a free account, and for most people the biggest slice is photos and videos backed up from a phone. Deleting emails helps a little. Clearing the photo library, especially duplicates, old videos and the trash, is what usually gets you back under the limit and lets mail flow again.

One pool, three services

Every free Google account gets 15 GB. That space is not per service. It is one bucket that Gmail, Google Drive and Google Photos all draw from. Google Photos counts every photo and video backed up since 1 June 2021, in either quality setting. Drive counts your files, and Gmail counts every message and attachment, including the ones in Spam and Trash.

Email is small. A typical message is a few kilobytes, and even a large attachment is a few megabytes. A single minute of phone video can be more than a hundred megabytes. It takes years of email to fill 15 GB. It takes one good holiday to fill it with video.

So when the "storage full" banner appears in Gmail, the right first step is to look at where the space has gone, not to start deleting mail.

See the split on the storage page

Google shows the breakdown in one place.

1. Go to one.google.com/storage. You do not need a paid Google One plan to see it.
2. Sign in with the account that is full.
3. The page shows a bar split into Google Photos, Google Drive and Gmail, with the figure for each.

Alternatively, in Gmail on the web, scroll to the very bottom of the inbox. The storage line there shows the total and links to the same page.

Note what each slice says. If Gmail is 2 GB and Google Photos is 12 GB, you know where to spend your time. And remember that items in any trash still count until that trash is emptied.

What happens to your email when storage is full

Google warns you as you approach the limit, and the consequences arrive in stages.

• Over the limit, you can still read and search your existing mail, and you can still sign in.
• New messages sent to you are not delivered. The sender gets a bounce saying your mailbox is full. You do not see those messages later. They are gone.
• At the time of writing, you cannot send new mail from Gmail either.
• Google Photos stops backing up new photos and videos. Your phone keeps taking them, but they are not in the cloud.
• Google Drive stops accepting new files, and apps that save to Drive, such as chat backups, will fail.

Google also notes that an account over quota for a long period (two years, at the time of writing) may have its content removed across these services. That is a distant risk, but it is a reason not to leave the problem alone.

The undelivered mail is the part that hurts, because a bill, a booking or a job offer can bounce without your knowledge. Getting under the limit quickly matters more than getting far under it.

Fastest fixes inside Gmail

If you want mail flowing again in the next ten minutes, these Gmail steps help, even though they rarely solve the whole problem. Use the Gmail search box on the web.

1. Find the biggest messages. Search larger:10M to list every message over 10 MB. Try larger:25M first if you have a lot. Most are old attachments you no longer need. Select the ones you do not want and delete.
2. Find old mail in bulk. Search older_than:2y to list everything over two years old. Combine it: older_than:2y larger:5M finds old, large messages only.
3. Clear Promotions. Click the "Promotions" tab, tick the select-all box, choose "Select all conversations that match this search", and delete. These are newsletters and offers, and most people never miss them. The search category:promotions older_than:6m is more selective.
4. Empty Spam and Trash. Open "Spam" in the left sidebar and click "Delete all spam messages now". Then open "Trash" and click "Empty Trash now". Deleted mail stays in Trash for 30 days and keeps counting until you do this.
5. Unsubscribe as you go. Gmail shows an "Unsubscribe" link next to the sender on most newsletters. It stops the problem coming back.

Useful search operators, which you can combine with a space:

Operator	What it finds
larger:10M	Messages over 10 MB (use M for MB, K for KB)
older_than:1y	Messages older than one year (d, m, y)
has:attachment	Messages with any attachment
category:promotions	The Promotions tab
category:social	The Social tab (notifications from apps)
in:spam or in:trash	Those folders
from:someone@example.com	A particular sender

After each round of deleting, remember to empty the Trash, or nothing changes.

A realistic result from a Gmail-only clean-up is a few hundred megabytes to a couple of gigabytes, which is enough to get mail flowing but often not enough to stay under the limit.

Why Photos is usually the biggest slice

Three things make Google Photos grow faster than anything else on the account:

• Video. A phone shooting 4K produces hundreds of megabytes per minute. A few clips at a wedding can outweigh a decade of email.
• Backup that just runs. Once you turned on backup, every photo and screenshot you have taken since has been quietly uploaded. Most people never look at the total.
• Doubles. Bursts of ten frames, the same photo re-saved from a chat app, edits saved next to originals, the same images imported from an old phone and again from a memory card. None of it was intentional, and all of it counts. For the reasons this happens, see why Google Photos has duplicates.

If the storage page shows Photos at more than half the bar, that is where the real space is.

How to shrink your photo library

Work through these in order. Each one is quick and reversible, except the last.

1. Empty the Google Photos trash. Open photos.google.com, click "Trash", review, then "Empty trash". Anything deleted in the last 30 days is still counting against you.
2. Review large videos. On the "Manage storage" page in Google Photos, open "Large photos and videos". Sort by size. Download anything you want to keep to a computer or external drive, then delete it from Google Photos.
3. Clear screenshots and documents. The same page has a "Screenshots" suggestion. Most are expired boarding passes and chat snippets.
4. Remove duplicates, similar shots and bursts. Google Photos has no duplicate finder of its own, so this needs a tool or a lot of scrolling. Doppelgone is a free Chrome extension for desktop Chrome that finds exact duplicates, similar shots and burst photos on photos.google.com, keeps the best shot of each set, and moves the rest to the Google Photos trash for 30 days with a one-click undo. Your photos never leave your device. In our testing on a real library of about 15,000 photos, Doppelgone found roughly 4 GB of duplicates. You can add it from the Chrome Web Store, and the free plan covers unlimited scans and 200 clean-ups.
5. Empty the trash again once you are happy, then wait a few minutes for the storage figure to update.
6. Consider Storage saver as a last step. The "Recover storage" option on the "Manage storage" page compresses existing photos permanently. It can recover a lot, but it is not reversible, so do it after the steps above, not before. Storage saver vs original quality explains the trade-off.

For most accounts, steps 1 to 5 bring Google Photos down far enough that Gmail has room again without paying for anything.

When paying makes sense

If you have done all of the above and you are still at the limit, you are genuinely using more than 15 GB of things you want to keep. At that point a Google One plan, which starts at 100 GB, is the honest answer, and it is shared with Gmail and Drive too. The point of cleaning first is to make sure you are paying for memories, not for duplicates.

Keep it from happening again

• Check one.google.com/storage every couple of months.
• Empty the Google Photos trash and Gmail Trash when you do.
• Unsubscribe from newsletters rather than deleting them one by one.
• Turn off backup for folders you do not need in the cloud, such as chat app images, in the Google Photos app under Backup, then "Back up device folders".
• Run a duplicate scan after any big import from an old phone or camera.

Frequently asked questions

Why does Gmail say my storage is full when my inbox is small?

Because Gmail shares one 15 GB with Google Drive and Google Photos. If photos and videos from your phone have been backing up for years, they are probably using most of the space, and Gmail is just the first place you see the warning.

Will I lose emails if my Google storage is full?

New incoming messages bounce back to the sender and are not kept, so yes, you can miss mail. Your existing messages are safe. Get under the limit as soon as you can to stop the bounces.

Does deleting photos from Google Photos free up Gmail storage?

Yes, once the Google Photos trash is emptied. Deleted photos sit in the trash for 30 days and still count until then. After emptying, the shared storage figure drops and Gmail can receive mail again.

How do I see what is using my Google storage?

Go to one.google.com/storage and sign in. The page shows a bar split into Google Photos, Google Drive and Gmail with the amount each is using, so you can see where to focus.

What to do next

Open one.google.com/storage and look at the split. If Google Photos is the big slice, empty its trash and run a free duplicate scan with Doppelgone. If you clear more than 200 sets, Pro is a one-time payment, with no subscription.