"If you have synced your phone contacts to your Gmail account, it is more convenient to restore them in certain cases like accidental deletion. Deleted contacts can still be recovered if you have proper backups and knowledge of how to do it.
Recover Deleted Contacts from Gmail Quickly
When you have synced your contacts to Google then you don’t have to worry about a single contact being lost. Good thing Google has taken into consideration all the data loss scenarios like this one. You can just simply log on and recover deleted contacts from Gmail. You have three ways to do it: Restore, Import, and Export contacts back. Here’s how you can restore them.
Step 1. Go to contacts.google.com using a web browser (You can also go to this page by logging to your Gmail account and then using the drop-down menu, click on Contacts to bring you to this page). Step 2. Click Restore contacts from the left side menu of the Google Contacts screen. If you don’t see Restore Contact option, then click ‘More’ to expand other actions. Step 3. A pop-up window appears with the time-frames you can choose from to restore your contacts. Step 4. Choose the desired time and click the Restore button.
Step 1. Login to your Gmail or go to contacts.google.com
Step 2. Click Export from the left side menu. This will route you to the older version of Google Contacts
Step 3. Under the ‘More’ tab on top, scroll down and find Export
Step 4. Choose desired contacts to export and the export file format. If you plan to import these contacts to another Google account then it is better to choose Google CSV format
Step 5. Click Export
Step 6. Choose file located to save the contacts
If you have CSV file ready on your desktop and just needed to import them back to your Gmail, then you can use this option:
Step 1. Sign in to your Gmail account or go to contacts.google.com directly
Step 2. Click on Import from the left sidebar menu
Step 3. A window explorer will appear to allow you to choose the desired file to import
Step 4. Select the CSV file and click Open
Step 5. Click Import
Step 6. All contacts will now be imported to the Google Contacts
Remember that you can only recover deleted contacts from Gmail in the last 30 days. If you need to recover deleted contacts from Gmail or Google, you can look for other effective recovery solution."