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A version of this article appears in print on Aug. 13, 2025, Section A, Page 19 of the New York edition with the headline: The Ocasio-Cortez Deepfake Was Terrible. So Was the Proposed Solution..

Adding a new column to either an entire spreadsheet or just a portion is an easy thing to do in Microsoft Excel. Here's how.

Would you like to create a newspaper-style layout for your document? Learn how to add and customize columns in Microsoft Word.

Learn how to add a calculated column in Microsoft Power BI to enrich your data and provide easier insights with this guide.

If the selected a table cell in the last column, you will see a third option: "Table Columns to the Right." Click "Table Columns to the Left" or "Table Columns to the Right" to insert the new column.

Inserting a lot of columns or rows in Microsoft Excel is awkward and prone to mistakes. When you need to enter dozens or more columns, use this VBA procedure for ease and accuracy.

We present our annual review of new liquid chromatography columns and accessories, introduced between spring 2020 and spring 2021.

In Microsoft Access, you can add records to an existing table that already as data and resize the columns that contain the fields and data.