The above is the video to upload bulk items on myBooks. Here is the step by step explanation of the above mentioned topic.
You can upload the Bulk Contacts on myBooks. Goto Transactions > Contacts > All Contacts list page opens
Click on Upload Contacts,
Click on sample file to download in excel format,
Enter the details of Contact as per the downloaded file,
“ * ” symbol denotes the mandatory field required
Save the sample file and then click on contacts to upload the file.
After file upload, you will receive the notification as shown below, then click on submit file.