One of the biggest differences between version 2.x and 5.x is that the new release can have multiple pages in a single (.wbs) file.
This means that you MUST put all pages of single website inside ONE Web Builder project file. This makes it much easier to manage your entire web site and prevents all kinds of problems with internal management of dynamically generated images.
You can import existing .wbp file into Web Builder 5.x.
For more details about this procedure read this topic:
viewtopic.php?t=928
Another big change between is way fonts are implemented. Version 2.x used point sizes for some objects and pixel sizes for others. Version 5.x will output everything in pixels (for better compatibility with browsers and non-standard DPI settings).
So it might be necessary to adjust the font size for some of the objects. One example of this will be your navigationbars, which in WB2 only has 7 choices for the font size (in points), in WB5 you will have 18 different sizes (in pixels).
Because all pages that belong to a web site now must be within a single file, internal links are managed differemtly. Navigationbars/menubars can automatically synchronize to your site structure, making it much easier to maintain your website than before.
There are much more minor changes which will make your building process easier, so you might have to redo some of your work to take advantage of these new features.
Backup previous work:Although none of your previous work will be deleted or overwritten by the new version, We recommend you make a backup of your existing files just in case you accidently delete something yourself:
1. make a backup of your templates subfolder. If you installed your previous copy of Web Builder in C:\Program files\WYSIWYG Web Builder, then backup C:\Program files\WYSIWYG Web Builder\templates.
2. backup your Web Builder documents, these are normally stored in the
My Documents\WYSIWYG Web Builder folder.