Visit Gmail’s Contacts section, select “Restore contacts” in the “More actions” menu, and choose the time you would like to revert to. The feature is rolling out to Gmail users as we type.

Go to Reports and click on Audit Log. Choose Restore Emails to retrieve lost data. Contact Gmail Support If you've tried the above methods and still can't find the deleted emails, your next option ...

You can restore iCloud contacts on iCloud.com by accessing Data Recovery and restoring an archive. Import contacts stored on ...