Yes you can sync all historical invoices created in Xero. In the process of syncing, you will have to map the customers in case they do not exist in Salesforce
[ Sync Invoices ] button on the < SFX Setup > tab allows you to synchronise any historical invoices or invoices that require manual sync This feature allows you to synchronise invoices and bills Invoices or bills can be synced from Xero to Salesforce ...
Yes, Accounts and Contacts from Salesforce sync from Salesforce to xero when an Invoice is created. You can also manually sync the customers in Xero by importing via data loader. Please note to include the XeroId as the external Id when you upload ...
This is available in SFX advanced and SFX enterprise versions. The sync from Xero to Salesforce is scheduled every 15 minutes. Not available with Free and SFX basic editions
This article explains how to send an invoice from Salesforce to Xero using an automated flow and the SFX Apex action. Once triggered, the invoice will be sent through Xero, and the “Sent to Contact” status will be updated back in Salesforce ...