Microsoft will soon be blocking external links to blocked file types in Excel. This is part of a broader effort to reduce or disable exploits that have previously been used to infect users with ...

Community driven content discussing all aspects of software development from DevOps to design patterns. To find the size or length of a Java array, follow these four steps Declare a variable of type ...

Windows may get all the attention, but when you want to get real work done, you turn to the applications that run on it. And if you use spreadsheets, that generally means Excel. Excel is, of course, ...

We’ve all been there—staring at a locked Excel file, unable to make the edits we desperately need because the password is nowhere to be found. It’s frustrating, isn’t it? Whether it’s an old file you ...

The “File Format and Extension Don’t Match” error in Excel happens when a file’s extension, like .xls or .xlsx, doesn’t match its actual format. This ...

A file’s format and extension not matching means the file was saved in a different format than its extension. Problems can occur when trying to open the file if the program doesn’t recognize the ...

After a long time, we are here with a completely different tutorial. When you export data, especially contacts, they are sometimes exported in xls or xlsx format. This is a general format and can be ...

When creating a table, it's possible to define the rows array, but still leave it empty. ExcelJS will not warn that this will be an issue, but it will result in the Excel file being corrupted. One ...