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.

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.

Convert Excel (.xlsx) files to pipe-delimited TXT files, automatically mapping columns and order to an existing SQL Server table structure. Ideal for legacy system integration, automated data imports, ...

Learn how to use a Microsoft 365 setting to choose whether to open files in the online or desktop app, giving you full control for each file.

Repeat this process with Excel .xlsx or xls files, Powerpoint .ppt files, and other Microsoft Office files if needed After you associate the file type with the intended Microsoft Office app again, the ...

Wondering how to open a Numbers file in Excel? Read this effortless guide to learn the best file conversion tricks!

Sending Excel files containing crucial financial and business data has risks. To add a layer of protection, you should learn to password protect an Excel file.

To open the SQL .BAK files in Excel, locate the .bak file on your hard drive, right-click it and select & rename it with XLS file extension.

Do you use a CDN for some or all of your website and you want to manage just one robots.txt file, instead of both the CDN's robots.txt file and your main site's robots.txt file? Gary Illyes from ...

The guide provides insight into how to use the hidden “FILES” function in Excel, a legacy macro function that lists all files in a specified folder. MyOnlineTrainingHub takes you through how ...