How to copy a Google Sheet into an existing Google Sheet

1. Open the Google Sheet that has the tab you want to copy into the another sheet
2. Right click the tab you want to copy
3. Choose Copy to > Existing Spreadsheet
4. Select another google sheet file from the respective folder or Paste the URL into the bottom of the window that appears and then select
5. Rename the tab in the another Google Sheet where it was copied if required.

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