Today the Microsoft team blog had a really useful blog post. It gave instructions on how to transfer information between organisations using exports and imports. This is very useful for transferring data between test systems. It is also useful to export the data to an excel file and then you can always import the data when ever you need it.
Click here to read the article.
This is also similar to the way you can export data, change it and then reimport the changes
Hosk's Dynamic Blog 
Thanks very much for the article.
But I have a question, the export tool splits the file to 10 K records, and the file size is limited to 8 MB. Is there a policy to split the files correctly so that we wouldn’t have empty references from Accounts to PrimaryContact and from Contacts to ParentCustomer ?
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