Corbett

Comcast Backup Tool

Corbett Comcast Backup Tool pulls Xfinity and Comcast.net email onto a Windows PC through IMAP. Output formats include PST, MBOX, EML, MSG, PDF, CSV, HTML and TXT, and mail can also go directly into a second account.

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4.6 out of 5 from 683 reviews

Mail travels from Comcast to your PC over a direct IMAP link. Corbett relays nothing.

Free demo, scanned clean on VirusTotal and a 30-day money-back window.

Lifetime licence from $99 Free trial saves 10 emails per folder

Comcast mailbox coverage

Comcast Backup Tool for Xfinity Mail

Corbett Comcast Backup Tool Saves Xfinity and Comcast.net Mail

A Comcast address belongs to your internet plan. Move house, switch provider or close the account and the mailbox can go with it, and Xfinity webmail has no export button. Comcast Backup Tool reads your mail over IMAP and copies full folders to a drive that you own, keeping folder names, dates and attachments.

Comcast mail covered

Comcast.net addresses
Xfinity.com addresses
Many addresses in one session

Mailbox folders saved

Inbox
Sent items
Drafts
Archive
Spam
Trash
User-made folders

Kept with every message

Folder structure
Attachments
Inline images
Signatures
Sent dates
Header data
Read/unread status

Left behind

Billing records
TV and phone data
Account passwords
Mail filter rules

Comcast mail stops when service does

Many people get a Comcast address with a cable or internet plan. When that plan ends, the address and its old messages can disappear too. A full local copy keeps bank letters, receipts and family photos readable.

Transfer Comcast emails to Gmail

Other internet provider pages: Cox Mail backup tool, Yahoo backup tool, AOL backup tool and Hotmail backup tool. Any other IMAP account is on the email backup software page.

Quick answer

What Is Comcast Backup Tool?

Comcast Backup Tool is a desktop program for Windows. Enter an Xfinity or Comcast.net address and it connects, finds the server settings and exports your messages and attachments as local files.

What it saves

Xfinity emails, attachments, inline images and header data

Where it saves

Your PC, an external disk, a USB drive or shared network storage

Who uses it

Home users, families, people moving house and small offices

Core features

Comcast Backup Tool Features by Screen

Five screens of Comcast Backup Tool, in backup order.

Xfinity Mail Sign-In With Auto Server Detection

Type your Comcast address and password, then press Find. The tool looks up the IMAP server and port without help. Comcast.net and Xfinity.com addresses sign in the same way.

Add many logins to one list and let them queue. If your connection drops, copying pauses and carries on from where it stopped.

Comcast folder tree with selection checkboxes

Folder selection

Choose Comcast Folders to Archive

Every folder and subfolder loads with a message count beside it. Ticking a parent folder selects its subfolders too.

Clear Spam and Trash in one click to save space. Nesting stays the same in saved files, so a family folder looks on disk like it did online.

Message preview

Preview Comcast Emails Before Saving

Open any message in a preview pane before a single file is written. A wrong folder or an empty thread shows up early.

Content shows the text with sender and subject. Message header traces delivery hops. Properties lists size, flags and attachments, and hex and raw tabs expose stored message data.

Selective backup

Search and Filter Comcast Mail

Find mail by name, subject, From, To, CC or date. Save one sender, one year or one thread and leave the rest in the Comcast mailbox.

Save only mail that carries files, or extract email addresses alone. File naming rules keep output folders tidy, and large mail sets process in a single session.

Comcast backup format and destination options

Output options

Xfinity Mail Output to Drives or New Accounts

Files go to a hard drive or flash drive, or mail loads into a new account. People leaving Comcast keep an archive file and open a Gmail or Outlook mailbox for daily use.

Output can be PST, MBOX, EML, MSG, PDF, HTML, CSV or TXT. A full move to a new provider is covered by Email Migration Tool, and an Outlook setup is covered in Comcast email to Microsoft Outlook.

Flexible use

Three Ways to Back Up Comcast Email With One Tool

One Xfinity address, a list of family addresses or a new provider: Comcast Backup Tool handles all three. Test your job in free demo before you buy.

Back up one Xfinity address

Sign in with a single Comcast address, tick your folders and save a PST, MBOX or PDF copy before you move house or switch provider.

Back up many addresses at once

Families and small offices can queue several Comcast logins and save every mailbox in one session, every one to its own folder.

Move Comcast mail to a new account

Name a live Gmail, Microsoft 365, Outlook.com or IMAP mailbox as the target. Comcast messages move across in matching folders, dates untouched.

Before connecting

Comcast Sign-In Checks Before You Connect

Three small details decide whether your first login works.

Must do

Allow outside mail programs

Comcast can block mail apps by default. Open your Xfinity account settings, look for the third party access option or a security code, and enter that code in the tool in place of your usual password.

Common snag

Use the full address as username

Logins are the entire address ending in comcast.net or xfinity.com. Dropping the domain part triggers a password error.

Server details

IMAP on port 993 with SSL

Comcast mail uses the IMAP server imap.comcast.net with SSL on port 993. If Find returns nothing, enter the server by hand in advanced settings.

Other mail setups follow in Configure Comcast emails in Thunderbird and Backup Verizon emails.

Working process

How to Back Up Comcast Email in Four Simple Steps

Follow four steps to get an Xfinity mailbox onto your drive. Practice on one address in free demo.

Add your Xfinity address

Download Comcast Backup Tool, install it and enter your Comcast address and password, then press Find. The incoming server fills in on its own.

Select Comcast folders and filters

Your mailbox loads as a tree. Tick the folders to archive, then limit them by date, To, From or subject.

Select format and location

Choose a file type from PST, MBOX, EML, MSG, PDF, HTML, CSV or TXT, then point the tool at any local drive, USB stick, external disk or NAS.

Start Comcast backup

Press start and track every folder on the progress screen. Afterwards, a log and a CSV report list all saved mail.

Want screenshots for every click? Follow IMAP backup guide.

Working process

Comcast Backup Tool Video Walkthrough

Prefer screenshots? IMAP backup guide shows a Comcast backup step by step.

Advanced options

More Comcast Backup Features for Xfinity Mail

Small options that save hours on big Comcast mailboxes.

Auto server detection

Finds the IMAP host for Comcast and Xfinity

Manual host and port

Enter server details by hand when needed

Bulk sign-in

Queue many Comcast addresses in one session

Proxy support

Connect through your own proxy server

Split PST by size

Cut large PST output into smaller files

Unicode PST

Modern PST format with a 50 GB default limit in Outlook

Merge accounts

Combine many Comcast addresses into one PST

Duplicate skip

Repeated emails are saved once

USB, drive and NAS

Save to USB, external disk or network storage

Live progress

Watch every Comcast folder as it saves

Auto retry and resume

Recovers from dropped connections

Log and CSV report

Proof of what was saved

Choose output

Comcast Backup Formats and Where They Open

Eight output formats are on offer. Match the format to what you plan to do with your Comcast mail.

Format	Best for	Opens in
PST	Comcast mail in one Outlook file with folders intact	Microsoft Outlook
MBOX	Moving Xfinity mail to a free email client	Thunderbird and Apple Mail
EML	One file per email, easy to search	Windows Mail and most email clients
MSG	Single messages kept as Outlook items	Microsoft Outlook
PDF	Bank letters, receipts and records	Any PDF viewer
HTML	Reading Comcast mail with no email client	Any web browser
CSV	Lists of senders, dates and subjects	Excel and Google Sheets
TXT	Plain text archives of old messages	Any text editor

Free demo

Try Comcast Backup Tool on a Live Inbox

Install the demo, add one Xfinity address and save a folder. Open the files and judge quality before any payment.

Download free demo

Try before you buy

Free Demo vs Full Comcast Backup Tool

Free demo loads and previews your full Comcast mailbox. Only saving is capped.

Feature	Free demo	Full version
Sign in and load Comcast folders	Yes	Yes
Preview, filter and analysis views	All available	All available
Emails saved per folder	10	Unlimited
Mailbox size limit	Saving stops at 10 per folder	None
Price	Free	$99 one time
Machines per licence	Not applicable	Up to 5
Money back window	Not applicable	30 days

Download free demo Purchase now

Use cases

Who Needs Comcast Backup Tool?

Anyone whose mail lives on a Comcast or Xfinity plan.

People moving or switching provider

Keep bank letters, receipts and family photos when your internet plan ends and the Comcast address goes with it.

Families and small offices

Save several mailboxes in one session. One licence installs on up to 5 machines.

Long time Xfinity users

Hold a local copy of years of mail without depending on Xfinity webmail, which has no export button.

Why Corbett

Why Choose Corbett Comcast Backup Tool?

One licence

Covers Comcast and 209+ other providers

No subscription

Lifetime price from $99

Read-only access

Nothing is deleted on Comcast

Direct connection

No Corbett server in between

Eight formats

Plus Comcast to account transfer

No size limit

Any mailbox size or message count

Free demo

10 emails saved per folder

30 day money back

Refund window on every licence

Before purchase

Comcast Backup Tool vs Xfinity Webmail

Xfinity webmail lets you print or forward messages one by one. That covers a handful of letters. Years of mail call for a batch tool, and the table shows the gap.

Task	Webmail by hand	Comcast Backup Tool
Cost	Free	$99 one time
Save a single email	Print to PDF	Works, though slower
Archive thousands of emails	Hours of clicking	One batch session
Filter by date or sender	Scroll and search by hand	Name, subject, From, To, CC and date search
Keep attachments	Download files one at a time	Saved with mail or on their own
Output format choice	Print or forward only	PST, PDF and six more formats
Many mailboxes	Repeat the routine for every address	Queued in one session
Folder structure	Flat pile of files	Original hierarchy rebuilt

Rows tinted green are where webmail alone is enough.

A few messages can leave Xfinity through webmail printing at no charge. Moving a full Comcast mailbox to Gmail is described in Transfer Comcast emails to Gmail.

Global recognition

Comcast Backup Software Users Trust

Users rate Corbett backup software 4.6 out of 5 across 683 reviews, and software directories list it.

CNET
Download.io
UpdateStar
TopSoftware Advisor
SaaSHub
Uptodown

Specifications

Comcast Backup Tool Specifications

Windows Versions Supported by Comcast Backup Tool

Download details

Released: Dec 2020
Download size: 87.4 MB
Trial limit: 10 emails per folder
Delivery: Download link and key by email
Licence: Lifetime, up to 5 machines

Download Now

System

Hard disk: 150 MB to install, plus room for output
RAM: 4 GB minimum
Processor: 1 GHz, 2.4 GHz advised
Rights: Run as Administrator
Server access: IMAP login for the Comcast or Xfinity address

Supported editions

Windows 11, 10, 8.1, 8 and 7, in 32 and 64 bit. Windows Server 2025 down to 2008. Outlook is not required.

No macOS or Linux build.

Corbett has built Windows email utilities since 2020. Support for Comcast Backup Tool is handled by the team that wrote it.

Full specification

Comcast Backup Sources and Output Formats

Complete source and output list for Corbett Comcast Backup Tool.

Goes in

Comcast mailbox sources

Mail source: Comcast.net and Xfinity.com email
Protocol: IMAP, host and port found automatically
Ports: 993 with SSL, 143 without
Sign-in: Full email address and password or security code
Item types: Emails, attachments and inline images
Folders: Inbox, Sent, Drafts, Archive, Spam, Trash and user-made folders
Network: Proxy server supported
Accounts per session: Several, queued together
Mailbox size limit: None
Access mode: Read-only, nothing deleted on Comcast
Bulk sign-in: Queue many Comcast addresses together
Local files opened: PST, OST, MBOX, EML, EMLX, MSG

Comes out

Backup destinations

Client formats: PST for Outlook, MBOX for Thunderbird, EML, MSG
PST options: Unicode PST, split by size, merge accounts into one PST
Save locations: Local drive, USB drive, external disk, NAS
Duplicates: Skipped
Document formats: PDF, HTML, CSV, TXT
Cloud destinations: Gmail, Microsoft 365, Outlook.com, Yahoo, any IMAP
Carried through: Folder tree, attachments, inline images, dates, read/unread status
Header fields kept: To, Cc, Bcc, From, Subject, Date, Time
File naming: Original or From, To, Date and Subject
Separate extraction: Attachments, email addresses, phone numbers
If your line drops: Auto retry, then resume where it stopped
Reports: Live progress, log and CSV report
Restoring mail: Email Recovery Software

To convert saved files later, use email converter tool or single-format PST File Converter Tool, MBOX File Converter and EML Converter Tool. To move Comcast mail into a new account, use email migration tool. To open a saved file without exporting, use free email viewer software.

User testimonials

Comcast Backup Tool Reviews From Users

Drawn from 683 reviews of the Corbett wizard behind Comcast Backup Tool.

4.6 out of 5

Pulled from 683 reviews on rating sites and customer emails. Below are two, quoted exactly.

Manual methods fell short

This is a very useful tool. I wanted to backup all of my Comcast emails. I tried many manual methods but it didn’t help. Then, I came across this tool. It not only helped to export but also ensured complete data integrity.

Myra Jones

Task finished without interruption

I wanted to keep a backup of my entire Comcast emails in local hard drive. Then, I downloaded the ‘Comcast Email Download Software’ which completed the task without any interruption. I really appreciate the performance of the tool.

David Capes

Best practice

How to Keep Your Comcast Backup Safe

Saved mail is only useful if it opens later. These four habits protect your Comcast archive.

Keep three copies

Store the first copy on your PC, the second on a USB drive or NAS and the third offsite in storage you control.

Open a sample file

After saving, open a handful of Comcast emails from the output. Any wrong path or absent folder is cheap to fix while your account is still active.

Name backups by date

Include the address and date in every backup folder name. A repeat backup starts afresh, so dated names keep older versions safe.

Back up before you cancel

Closing service can close the mailbox. Save mail first, check the files, then end the plan or switch provider.

Common questions

Comcast Backup Tool FAQs

Logins, security codes, ports, formats, filters and demo limits.

What steps save Comcast emails to my computer?

Install Comcast Backup Tool, add your Comcast address and password and press Find. Select folders, preview a few messages, choose a format and start the backup.

What happens to my Comcast email if I cancel service?

A Comcast address comes with your plan, so closing service can close the mailbox. Save your mail with Comcast Backup Tool before you cancel.

Which server and port does Comcast use for IMAP?

Comcast mail uses the server imap.comcast.net with SSL on port 993. If Find cannot locate it, enter the server and port in advanced settings.

Why does Comcast reject my login?

Outside mail programs need a third party security code from your Xfinity account settings. Enter that code instead of your usual password, and use the full address as the username.

What does the free Comcast Backup Tool demo include?

Every feature works. Saving stops at 10 emails per folder, so the trial shows real output quality on your own mail.

Can I send Comcast mail to Office 365?

Yes. Choose Microsoft 365 as the destination, sign in and folders upload with their structure. A PST file opened in Outlook is another route.

Can I move Comcast mail to Gmail?

Yes. Set Gmail as the destination and mail transfers with folders and dates. Steps are in Transfer Comcast emails to Gmail.

Can I download many Comcast mailboxes?

Yes. List several addresses and the tool processes them one after another in one session.

Which formats does Comcast Backup Tool offer?

The list covers PST, MBOX, EML, MSG, PDF, HTML, CSV and TXT. Mail can also be sent straight to another account.

Will folders keep their layout?

Yes. Parent folders, subfolders and original dates carry over to the output.

Can I archive only recent mail?

Yes. Set a date range or filter by To, From and subject. Only matching messages are saved.

Can I save mail from one sender only?

Yes. Apply the From filter, enter the address and start the backup. Only that sender's messages are saved.

Can attachments be saved separately?

Yes. Save attachments alone or keep them inside the message files.

What if auto detection fails?

Enter the incoming server and port by hand in advanced settings. imap.comcast.net with SSL on port 993 works for Comcast accounts.

How large can a Comcast mailbox be?

The full version has no size limit. Big mailboxes take longer, and a stopped backup resumes from its last saved message.

Does Comcast Backup Tool schedule backups?

No. Every backup is a manual job that starts on a click and ends when the program closes. Comcast Backup Tool has no timer, no service and no new-mail-only mode.

Do my messages pass through Corbett?

No. Your PC talks to Comcast directly. Corbett receives no mail.

Does the tool delete mail from Comcast?

No. It only reads the mailbox. Clean the server yourself once the archive is checked.

Can I save Comcast mail to a USB drive or NAS?

Yes. Windows must be able to open the location, and then it works as a destination, whether USB, external disk or NAS.

Does Comcast Backup Tool work on macOS?

No. It installs on Windows 7 to 11 and Windows Server 2008 to 2025.

How much does Comcast Backup Tool cost?

One payment of $99 buys a lifetime licence for up to 5 machines, with a 30 day refund window.

Can I extract only email addresses or attachments?

Yes. Extract has separate options for attachments, email addresses and phone numbers. For address lists alone, use Email Address Extractor Software.

Step by step

Comcast Email Guides to Keep Handy

Guides for moving or keeping Xfinity mail.

Moving Comcast mail

Other provider mail

Once files are saved

More providers sit on the email backup software page. Need other file types later? Try the email converter tool. To load a backup into an account, use email recovery software, and to read saved files, use free email viewer software.

Get started

Save Comcast Mail Before Service Ends

Grab the demo, add one Xfinity address and export a test folder. The lifetime licence is a single $99 payment with a 30-day refund window.

Download free demo Purchase now

87.4 MB · Windows 11 to 7 and Windows Server 2025 to 2008 · 30 day money back