X-Cart import format can be used to import categories, products, and product options.
X-Cart export file contains a lot of data blocks. For example - [CONFIG], [STATES], [CATEGORIES], [PRODUCTS] etc. The Webydo Store uses only three blocks at this moment - [CATEGORIES], [PRODUCTS] and [PRODUCT_OPTIONS].
From [CATEGORIES] block The Webydo Store uses these columns:
From [PRODUCTS] block, The Webydo Store uses the following columns:
From [PRODUCT_OPTIONS] block The Webydo Store uses these columns:
Any data block is optional, you can import only categories or products with options without categories at all. Any floating point value has to be formatted accordingly to your store settings (look at Control Panel -> System settings -> General -> Formats & Units)
One product can belong to many categories. In this case, column values must look like here: