Dynamics Community Forum Thread Details

I made a mistake and overwrote some contacts by importing a file without deleting the contact ID info from the Excel Sheet

As I mentioned in the title, I exported all the contact sheets to delete the main info and replace it with new contact information. However, I forgot about the 3 hidden columns on the Excel file that have additional information, specifically some IDs related to the original contacts.

I realized the next day that some of the older contacts were mixed up with the new ones. One member of my team suggested re-uploading an old file that we had before the new import was done so they could return to being like they were originally and then uploading from a clean sheet the new ones.

The problem is that I sent a journey with the contacts mixed up (It only had one-time e-mail from different segments). I already checked, and I know that the e-mails were sent to the new contacts because the replaced fields were mainly Company Name and E-mail.

My questions would be: Do you think that once I re-upload, the old files will crash the journey information? Should I wait some days to gather some data and then proceed with this process while stopping the journey? Or maybe there´s another option to solve this issue?

Thanks in advance to all of you for the support.

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