To check whether you might need to archive your data due to a Google Sheet size limits learn more about the Size My Sheet Add-on.
To archive a Tiller spreadsheet
These steps are for creating a historical copy of your Tiller spreadsheet with the data that’s in it today.
Open the Tiller spreadsheet you want to archive.
Open the File Menu
Click Create a copy
Give the copy a name (2017 Tiller Spreadsheet) or whatever makes sense for you.
Choose where you want to save it on your Google Drive.
Removing Previous Year’s Data
If you’ve followed the archiving steps above and want to move the previous year’s data from your live Tiller spreadsheet follow these steps:
Navigate to the Tiller spreadsheet you opened in step 1 above.
Open the Transactions sheet
Scroll down to the last transaction for the previous year.
Click the row number for that transaction and press the shift key.
While holding down shift, scroll down and click the row number for the first transaction from the previous year.
Right click and choose “Delete rows…”
Your data from that previous year is available in the copy you made on your Google Drive in the archiving steps.