01What changed
Yahoo Mail once offered a very large free storage allowance. That has been walked back in stages: down to 20 GB, and then again to 15 GB for the UK and EU (as reported in the UK press). Free accounts now share that 15 GB across all their mail, attachments, Trash and Spam.
For a long-standing mailbox, 15 GB is not a lot. Two decades of newsletters, receipts and the attachments riding along with them add up quietly, and most people are over the line without ever having sent a large email themselves. (Mailroom is independent and not affiliated with Yahoo. For the exact terms, see Yahoo’s own storage help and the notice in your mailbox.)
02What happens if you’re over
Yahoo’s notice is blunt: go over the limit and you can lose the ability to send and receive email until you free space or buy more storage. In practice that means messages people send you may bounce, and your own outgoing mail may not go through — which is how most people discover the change in the first place.
Deleting mail helps only if the space is actually released, so remember the two hidden stores: Trash and Spam both count against your 15 GB until they’re emptied.
03Check your own mailbox
There isn’t one single switch-on date for everyone — the timing in Yahoo’s notices varies from account to account. So don’t rely on a date you read somewhere: check the notice in your own Yahoo mailbox and your current storage usage in Yahoo Mail’s settings. That tells you where you actually stand.
04Your options
Realistically there are two ways back under the limit:
- Pay Yahoo monthly for more space. It works, but it’s a recurring cost for ever, and it doesn’t remove a single dead newsletter — you’re paying rent to keep the clutter.
- Clear the junk once. Find the bulk mail and big attachments you’ll never open again, clear them, and empty Trash and Spam. This is free, and it’s the option that actually shrinks the mailbox.
The catch with the second option is doing it safely and quickly on a mailbox with thousands of messages — which is the problem Mailroom exists to solve.
05Clear it free with Mailroom
Mailroom is a desktop app for Windows and Linux that finds the space-hungry mail for you, on your own computer — no web service in the middle reading your inbox. It reads the envelope — sender, size, date, and attachment names, types and sizes. Never the message body, and never the file contents.
It sorts everything into three piles — Safe to clear, Keep, and Needs a look — and nothing is deleted without you. You can clear a first slice free with a 14-day trial, no card, and see the space come back before you decide anything.
Weighing the cost? Stop paying Yahoo monthly to store email you’ll never read →
06FAQ
What is Yahoo Mail’s new storage limit in the UK?
Free Yahoo Mail accounts in the UK and EU now share a 15 GB storage allowance, down from earlier, larger limits.
What happens if my Yahoo mailbox is over 15 GB?
Yahoo’s notice warns that over-limit accounts can lose the ability to send and receive email until you free space or buy more storage.
When does the 15 GB limit take effect for me?
The dates vary from account to account. Check the notice in your own Yahoo mailbox for the date that applies to you.
How do I stay under the limit for free?
Clear the bulk mail and large attachments taking up most of the room, then empty Trash and Spam so the space is released. Mailroom finds what’s safe to clear on your own computer.
Does Mailroom read my emails?
No. It reads the envelope — sender, size, date, and attachment names, types and sizes — never the message body and never the file contents.