There are two ways to do that. First, you can manually copy and paste all the texts from the txt file into the spreadsheet. Second, you can use Microsoft Excel’s built-in option to make it easier.

Excel’s UPPER function has your back. Syntax: =UPPER (text) This function takes one argument—the text you want to convert. You can reference a cell or input the text directly into the formula.

Do you want to split a single column of text into multiple columns in your Excel spreadsheet? Using the Text to Column feature, you can choose how to split the column up, fix the width, or split ...

If the DAT file you're trying to open is text, you can convert the file into text in the Microsoft Excel program by first saving it as a CSV file.

How to Convert Excel to Text & Set Column Width. Each Microsoft Excel worksheet is broken up into cells. Each cell is part of a column.