How to Download, Open and Save BTinternet Email Attachments to a Folder on Computer ?
You can download BTinternet (BT Mail) email attachments in bulk on Windows using the Email Attachment Downloader. The tool connects to your BT Mail account via IMAP and saves all email attachments to your PC with date range and file type filters available.
BTinternet email (also called BT Mail) is a webmail service provided by BT Group to its UK broadband and phone customers. If you’re switching away from BT, upgrading your internet provider, or simply want a local backup of your email attachments, the Email Attachment Downloader makes the process fast and easy.
The tool connects to BT Mail’s IMAP server and downloads all attachments from your chosen folders in one batch operation, without you needing to open each email individually.
Why Download BT Mail Attachments in Bulk?
Here are the most common reasons BT Mail users need to download attachments in bulk:
- You’re canceling your BT broadband service and will lose access to your BTinternet email address
- BT has migrated many customers to Yahoo Mail infrastructure and account access may change
- You have years of work documents, invoices and photos stored as email attachments
- You want a local backup of BT Mail attachments before making any account changes
- You’re moving to a new email provider and want all your files saved locally during the transition
BT’s email service has undergone several migrations and changes over the years, including a move to Yahoo-based infrastructure for many users. If your BTinternet email account is tied to your BT broadband subscription, losing the broadband service means losing email access. Downloading your attachments in advance prevents data loss in that scenario.
For a typical BT Mail user with 5 to 10 years of email history, there might be 1,000 to 5,000 attachments across their inbox and sent folders. Manual downloading would take many hours. The bulk downloader handles this in under 30 minutes.
What You Need
You need the Email Attachment Downloader tool installed on a Windows PC. You’ll also need your BT Mail email address and password. BT Mail supports IMAP access. The IMAP server for BTinternet accounts is mail.btinternet.com on port 993 with SSL.
Note: Some BT Mail accounts were migrated to Yahoo Mail’s infrastructure. If the standard BT IMAP settings don’t work, try imap.mail.yahoo.com with your BTinternet email credentials, as your account may have been migrated.
How to Download BT Mail Attachments
Follow these steps to bulk download attachments from your BTinternet email account.
Step 1: Launch the Email Attachment Downloader
Install and open the tool. The main screen shows the account configuration section.

Step 2: Enter BT Mail Credentials
Enter your BTinternet email address and password. Set the IMAP server to mail.btinternet.com and connect. If connection fails, try imap.mail.yahoo.com as your account may be on Yahoo’s servers.
Step 3: Select Folders
After connecting, the tool shows your BT Mail folder structure. Select the folders you want to download attachments from.

Step 4: Apply Filters
Use the date range filter to limit the download to a specific time period. Use the file type filter to download only specific formats like PDF or images.

Step 5: Set Destination and Download
Set your output folder and click Download. The tool saves all attachments from the selected BT Mail folders to your PC.


Key Features
The Email Attachment Downloader works with BT Mail and many other providers. Key capabilities:
- BT IMAP support: Connects to both standard BT Mail and Yahoo-hosted BT Mail accounts
- Bulk download: Save all attachments from any number of emails in one batch
- Date range filter: Target specific months or years of email history
- File type filter: Download only specific file formats (PDFs, images, spreadsheets)
- Folder organization: Downloads organized to mirror your BT Mail folder structure
- No email client needed: Works directly via IMAP without Outlook or other software
Limitations to Know
Limitations
- Windows only. No Mac version is available.
- BT Mail accounts migrated to Yahoo infrastructure require Yahoo IMAP settings (imap.mail.yahoo.com) instead of the standard BT settings.
- The free trial has a processing limit. The full version removes this restriction.
- BT email accounts that have been closed or deactivated after service cancellation cannot be accessed. Download before canceling your BT service.
- Inline images embedded in email body HTML are not downloaded as attachments since they’re not standalone files.
- Very large attachments or very large mailboxes may slow down the download speed depending on BT’s server rate limiting.
Frequently Asked Questions
What IMAP settings should I use for BTinternet email?
For standard BTinternet accounts, use IMAP server mail.btinternet.com, port 993, SSL enabled. If your account has been migrated to Yahoo Mail’s infrastructure (which BT did for many users), use imap.mail.yahoo.com, port 993, SSL enabled, with your full BTinternet email address as the username.
Will I lose my BT email address if I cancel BT broadband?
In most cases, yes. BTinternet email addresses (@btinternet.com, @btopenworld.com) are tied to your BT broadband subscription. When you cancel the service, email access typically ends within a few months. BT has offered retention options in some cases, but it’s best to back up your attachments before any service changes.
Can I access my BT Mail account on a different device to download attachments?
Yes, you can access BT Mail on any device with a browser at mail.btinternet.com. However, for bulk attachment downloading, the desktop Email Attachment Downloader is far more efficient than manually accessing each email in the browser and saving attachments one by one.
How do I know if my BTinternet account is on BT’s servers or Yahoo’s?
Try connecting with mail.btinternet.com first. If the connection fails or you can’t authenticate, try imap.mail.yahoo.com with the same credentials. BT migrated many user accounts to Yahoo’s infrastructure, and the Yahoo IMAP settings work for those accounts.
Does the download preserve the original file names?
Yes. Attachments are saved with their original file names as they were when sent in the email. If you received a file called “invoice-2022.pdf” as an attachment, it’s saved as “invoice-2022.pdf” in the output folder. The folder structure also reflects your BT Mail organization.
Can the tool download all attachment types from BT Mail?
Yes. All file types attached to BT Mail emails are supported: PDF, DOC, DOCX, XLS, XLSX, JPG, PNG, ZIP, RAR, and any other format. The file type filter lets you download only specific types if you don’t want everything, but by default all attachment types are included in the download.