If you cannot open an Excel file and see Excel cannot open the file because the file format or extension is not valid error, see this post.

Files with a CFG or a CONFIG extension are used to modify the configurations and parameters of computer programs. Free tools to open them!

Need to use third-party programs to open files on your PC? Here's how to change file associations in Windows 10 and choose which apps open which file types.

Click the "File" tab at the top of the Microsoft Word window. Click the "Recent" tab from the side menu. Click the recently closed document from the Recent Documents list to re-open it.

You can have Excel make a spreadsheet in read only format for others, so that people can read its contents but not edit them, or you can enforce other content restrictions.

How to open Windows’ awesome Snipping Tool with a single key press The screenshot app Snipping Tool integrated in Windows 10 and 11 can be set so that it's called up by pressing the print key.

Excel and Google Sheets have three functions to calculate the internal rate of return: IRR, XIRR, and MIRR. Learn how these functions can calculate investment returns.

IRS Form 941 is a form businesses file quarterly to report taxes they withheld from employee paychecks. Filing deadlines are in April, July, October and January.

I sought out better options to handle my future spreadsheets and discovered Grist. It’s an open-source, self-hostable spreadsheet and database app that makes Excel feel like a fossil.

Key points Your CLUE includes information about your auto and homeowner claims over seven years. You can get your CLUE report for free once a year. You can dispute errors on your CLUE report ...

Corn Silage, Fractionated Silage, Drying Rate, Arrhenius Function, Activation Energy, Diffusion Coefficient, Nutritional ...