Get the Best WordPress Backup
& Migration Plugin Today
Get Duplicator Now
Announcement remote restores

Introducing New Remote Restores For More Accessible Cloud Backups

Are you securing your site backups in the cloud? You'll need an easy way to restore them. Our new features…
How to migrate a large WordPress site

How to Migrate a Large WordPress Site (The Easy Way) 

Written By: author image Joella Dunn
author image Joella Dunn
Joella is a writer with years of experience in WordPress. At Duplicator, she specializes in site maintenance — from basic backups to large-scale migrations. Her ultimate goal is to make sure your WordPress website is safe and ready for growth.
     Reviewed By: John Turner
reviewer image John Turner
John Turner is the President of Duplicator. He has over 20+ years of business and development experience and his plugins have been downloaded over 25 million times.

Do you want to know how to migrate your large WordPress site?

When migrating a large website, PHP timeouts can prevent you from compiling all your data into a single zip file. Fortunately, you can bypass any timeout issues and successfully migrate your site from the old host to a new one.

In this step-by-step guide, we’ll show you how to migrate a large WordPress site! 

Quick Summary of How to Migrate a Large WordPress Site

1. Install Duplicator Pro.
Duplicator Pro is the best plugin for backing up and migrating large WordPress sites. It has a custom DupArchive file format that will effortlessly compile all of your data (even if you have thousands of files).
2. Update the default settings for large site support.
You’ll need to set the SQL mode to use PHP code and multi-threaded processing. Switch the archive engine to DupArchive. This will help you avoid any issues building a backup.
3. Back up your WordPress site.
Now that Duplicator can handle a larger site, create a new package. Select all of the data you want to include in the migration. Once the backup is built, download its archive file.
4. Drag and drop the backup into another location.
On the new server, install Duplicator. Drag and drop the archive file into the import box. Follow Duplicator’s step-by-step instructions to finish migrating your large site!

Potential Problems When Migrating a Large WordPress Site

There are many reasons why you might need to eventually migrate your WordPress website. As your site grows, your original WordPress hosting plan may not be able to support it. In this case, it’s time to upgrade your plan or move to a new hosting provider.

Here are some more reasons to migrate your site:

  • Moving to a new domain name for a rebrand
  • Moving to a localhost staging site for safe testing
  • Moving to a new Content Management System (CMS)
  • Moving from HTTP to HTTPS

If you own a small website, it’s fairly easy to migrate to a new server, domain, or host. However, larger sites like ecommerce stores can face unique challenges.

During the migration process, you’ll have to package your website’s files and MySQL database into a zip file. This makes it easy to transfer to another server, but compiling all of the data on a large site can be difficult.

Usually, budget web hosting servers configure PHP scripts to time out quickly. If you only have 30 seconds to create a large zip file and dump your WordPress database, it will time out. This makes it difficult to package your current site before migrating it to another server. 

Fortunately, you can avoid this problem. By using the right tools, you’ll successfully package your large website and migrate it to a new location! 

How to Migrate a Large WordPress Site

Migrating a large WordPress site can be a daunting task. However, even as a beginner, you can easily move your website and avoid any timeout issues from your server. 

We’d recommend disabling any caching, firewall, or redirect plugins before getting started.

Step 1: Install Duplicator

If you receive timeouts every time you try to migrate your large website, you might consider moving small chunks of data at a time. Here at Duplicator, we created an easier solution for migrating large sites!

Most website owners install a WordPress migration plugin to easily transfer their site files and database to another location. However, not all of these tools are built for large WordPress site migrations. 

Duplicator Pro is a migration and backup plugin that makes it easy to migrate a large website. In fact, it’s capable of migrating sites as big as 100GB.

Duplicator Pro plugin

Unlike other options, this plugin can package your site in a DupArchive. This is a custom file format built for large sites.

Using chunked systems, Duplicator will create your site package in multiple parts. Since this doesn’t compile a large zip file all at once, it’ll allow you to bypass the server timeout problem. The plugin also supports multi-threaded SQL mode, which will chunk your database script over multiple requests. 

Don’t believe me? See how Harald Polz migrates his 400GB WordPress site to a staging area!

Here are some more features that make Duplicator the best migration plugin:

  • Drag-and-drop import functionality for quick migrations
  • Automatic backups
  • Cloud storage integrations to Dropbox, Google Drive, Amazon S3, and more
  • Doesn’t require WordPress to be installed
  • Supports WordPress Multisite
  • One-click restores
  • Disaster recovery to restore your site after errors or hacks
  • No extra add-ons to access premium features
  • Dedicated customer support

To get started with Duplicator, choose a subscription for the premium version. Although there is a free version, upgrading will give you advanced options like a multi-threaded PHP dump and the DupArchive file format.

Once you finish your purchase, download Duplicator Pro. In your WordPress dashboard, install and activate it.

You’ll also need to activate your license key. To do this, find Duplicator Pro » Settings » Licensing.

Duplicator license key

Paste your license key. After you click Activate, you’ll be able to start using Duplicator!

Step 2: Update Your Package Settings

Although the default settings are effective for most websites, you’ll need more support for a large migration.

First, it’s important to update your package settings. Head over to Duplicator Pro » Settings » Packages. Here, select the Basic Settings option.

Duplicator package settings

Then, find the Database section. As we mentioned earlier, large WordPress site migrations can benefit from a multi-threaded SQL mode.

So, set the SQL Mode to PHP Code and the Process Mode to Multi-Threaded.

Large site database settings

You’ll also need to adjust the Archive settings. Under Archive Engine, choose DupArchive. This is the custom file format designed for large sites.

Select DupArchive engine

If you have limited server resources, we’d recommend enabling the server throttle. Set the Server Throttle to Medium or High based on your web host’s level of resources.

Set server throttle to high

After this, save the new settings.

Step 3: Create a Package

Next, you can create a package of your website. This will bundle all of your WordPress files, plugins, themes, database, and other content. To do this, go to Duplicator Pro » Packages » Create New.

Create Duplicator package

At the top of the page, name the package or use the default package name. Then, feel free to change the storage location.

Large site package

Although Duplicator supports many third-party cloud storage services, some providers may not support files big enough for large sites.

You’ll see that the Archive file is in a DAF format instead of ZIP. This is the custom DupArchive for large websites. If you want to exclude certain data from the migration, feel free to add filters before continuing with the build.

Filter large site archive

This can help you clean up your site during the migration. You could only include active themes, plugins, or other important files to set up your new website without unnecessary data.

For certain large files that weigh down your backups, use Duplicator’s file filters to exclude them. If you need these files on the new site, download them manually and upload them via FTP or cPanel.

After you click on Next, Duplicator will scan your site. If there aren’t any issues, you’ll receive all Good notices.

Duplicator package scan

Then, hit Build. This will automatically start compiling your large site into a single archive file. 

If you want to achieve zero downtime, consider updating your hosts file with the new IP address.

Step 4: Import Your Website

Once you build a package, you’ll see it on the Packages page. To migrate it to another location, click on Download » Archive (daf):

Download DupArchive file

If you’re manually moving your site using a File Manager like cPanel or an SFTP/FTP client like FileZilla, you’ll need to download the installer PHP file too. However, Duplicator Pro allows you to simply drag and drop the archive file into the new WordPress website.

First, you’ll need to find your WordPress login information from your new web host. On the second site, be sure to install and activate Duplicator Pro.

After you activate your license key, navigate to Duplicator Pro » Import.

Import website archive

Next, drop the DupArchive file into the import box. After it uploads, you’ll see some details about the old site.

DupArchive import details

Since you’re working with a new WordPress installation, you likely won’t need to set a recovery point. However, you can create a package of the new site to restore it later if needed.

Large site recovery point

Scroll down the page to see an overview of the current site. Then, click on Launch Installer to start the import.

Launch site installer

Now you’ll see options to deploy your uploaded package. The Install Type should be a Full install single site.

Import large site

Under Validation, Duplicator will review the import for any problems. Be sure to review any of these notices. To continue, accept the terms and notices and hit Next.

Large site import validation

Lastly, a pop-up will ask you to confirm the installation. Once you click on OK, the import will run.

Confirm large site installation

If the migration is successful, you’ll see an Admin Login button. Before clicking on this, check the box next to Auto delete installer files.

Large site finished import

You can now log back into your wp-admin page! 

To finish the migration, be sure to update your Domain Name Server (DNS) to point to the new location. For additional final steps, read this Ultimate WordPress Migration Checklist.

Frequently Asked Questions (FAQs)

How do I transfer a large WordPress site?

You can transfer a large WordPress site by creating a DupArchive package with Duplicator Pro. This will avoid any PHP timeout issues with your current server. Then, use the Import tool to seamlessly migrate your website to another location.

How can I move a large WordPress site for free?

You can do a free migration of a large site by using an FTP client to manually download all the files in your root directory, or public_html folder. Usually, your hosting service provides your FTP login credentials in your control panel. After this, upload this as a zip file to your new site.

Next, create a new database on the new server. Now you’ll need to download your original database. Although you could export your database as a SQL file in phpMyAdmin, it’s easier to build a database-only package with Duplicator Lite.

Take the upload files generated by Duplicator and add them to your new root folder. Lastly, open in a browser window and go through the steps shown in the Duplicator installer wizard. 

This two-part installation can be effective for websites with a large media library. However, keep in mind that you may still experience problems performing a database dump.

For the best results, consider creating a DupArchive in Duplicator Pro. Pricing for the premium version starts at just $49.50 per year, which is more affordable than other migration plugins or services.

What is the best WordPress migration plugin?

Duplicator Pro is the best WordPress migration plugin for any type of website. This tool supports drag-and-drop migrations so you can move your WordPress site without any downtime. Plus, you can use Duplicator to regularly back up your website. 

Alternatives: UpdraftPlus, All-in-One WP Migration, and Migrate Guru are capable of performing migration services. However, Duplicator’s custom DupArchive file format makes it easy to migrate large sites and Multisite networks.  

How much does it cost to migrate a WordPress site?

The cost of migrating a WordPress site will depend on how and why you’re moving your website. To quickly move to a new WordPress host or server, you can purchase a WordPress migration tool like Duplicator Pro for as little as $49.50 per year.

However, you’ll also have to consider the cost of setting up the new hosting account. Many WordPress hosting providers support free migrations, but you’ll have to purchase a hosting plan first.

If you’re moving to a new domain name, you’ll have to buy a new domain. These usually cost between $9 to $14.99 yearly.

To see more hidden costs in WordPress migrations, check out our comprehensive guide!

What is the fastest way to migrate a WordPress site?

The fastest way to migrate a WordPress site is to create a backup of the original site with Duplicator Pro. Then, install Duplicator on the second site and go to the Import page. Finally, drag and drop the backup file to migrate your data to the new location.

How do I export an entire WordPress site?

To export an entire WordPress site, you can use a backup and migration plugin like Duplicator Pro. This tool allows you to compile all your data into a single zip file. Once you create a package, you can download it as a backup or move it to another host, domain, or server.


You’ve just migrated your large WordPress site!

While you’re here, you may also like these WordPress tutorials:

Are you ready to migrate your large WordPress site? Download Duplicator Pro to easily transfer your content without any errors!

author avatar
Joella Dunn Content Writer
Joella is a writer with years of experience in WordPress. At Duplicator, she specializes in site maintenance — from basic backups to large-scale migrations. Her ultimate goal is to make sure your WordPress website is safe and ready for growth.

Disclosure: Our content is reader-supported. This means if you click on some of our links, then we may earn a commission. We only recommend products that we believe will add value to our readers.