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You can do this by double-clicking the file on your computer. Worksheet tabs are at the bottom of the current sheet. In some versions of excel, you’ll see a tiny funnel icon next to the arrow. The filter is now cleared from the column.

Summary:
Open your spreadsheet in Excel. Go to the worksheet on which you want to clear the filters. Click the down-arrow next to the column-heading. Click Clear Filter from (column name).