With b2evolution to WordPress migration plugin you can transfer your website in an accurate way, with no data losses. http://wordpress.org/plugins/cms2cms-b2evolution-to-wp-migration/

1. b2evolution to WordPress
CMS2CMS
Migration with Plugin

3.
CMS2CMS b2evolution to
WordPress Migration with
Plugin: The Tutorial

4. WordPress is one of the most popular CMS in the world. The time
when this platform was just a blogging publishing tool has gone.
These days, it is one of the most efficient web projects creating
software. WordPress’s success is phenomenal and more and more
website owners are willing to have an internet spot powered by this
content management system.
CMS2CMS always has a goal to make the migration process as
clean and straightforward as it possible. That is why, we created
this CMS2CMS­made plugin for an automated b2evolution to
WordPress transfer. In this article, we have prepared step­by­step
tutorial with screenshots, and it will be much easier for you to set
up the migration with WP plugin.
So, go ahead and look through the procedure:

5. 1. Download the Plugin
First of all, you have to go to CMS2CMS b2evolution to WordPress
Convertor and download it to your computer.

6. 2. Plugin Installation
Open your WordPress admin panel, go to “Plugins” ­> “Add New”
and upload the file. After you click the button “Install now” and the
plugin appear in your WP dashboard, activate it.

7. 3. Register an Account
For signing up, you have to provide your email and password. If
you already have CMS2CMS account just log in.

8. 4. Connect to Your b2evolution Website
Now, you have to provide a connection to your source website.
● Download the bridge file to your computer. It will be saved as
“cms2cms” zip file.
● Extract the file from the archive.
● Upload it to the root directory of your b2evolution website via
any FTP client dashboard.
● Provide the URL of your b2evolution website.

9. 5. Configure the Migration
After you have successfully connected to your b2evolution
website, press “Start Migration” button and you will be redirected
tocms2cms.com in order to complete the migration.

10. 6. Choose the Migration Preferences.
Before you start the converting process you will be offered to
select the additional option, which can be applied to your Migration.
For b2evolution to WordPress Conversion you can choose from:
● Clear current data including test one on WordPress before
Migration
● Migrate categories and pages/articles/posts SEO aliases
● Make URLs SEO­friendly
● Migrate images and attachments

11. 7. Run FREE Demo Migration
Before you go to actual website conversion, you have a chance to
run a Demo for FREE!
The limited amount of pages will be converted to your new site and
you may test this service.

12. 8. Full Website Transfer
As soon as you have seen the results of Demo Migration, you can
go straight and start Full Website Migration process. You can even
close the browser window. When you b2evolution website is
transferred to WordPress, you’ll receive an email notification.
Now, you are aware that using CMS2CMS b2evolution to
WordPress Convertor for your website transfer is really simple and
the process is smooth. Then, do not wait any longer, download the
plugin and convert your old b2evolution website into brand­new
WordPress.