Knigi.xlsx -

: Beyond Excel, the file can be opened and edited in free or web-based alternatives such as Google Sheets , ONLYOFFICE , or Apple Numbers. How to open, read and edit an .XLSX file - Adobe

: Extracting specific subsets of data, such as all books by a particular author or those within a certain price range. knigi.xlsx

: Learning to organize information alphabetically or numerically by multiple criteria. : Beyond Excel, the file can be opened

: It supports modern spreadsheet requirements, allowing for over one million rows and 16,000 columns. : It supports modern spreadsheet requirements, allowing for

The file (Bulgarian for "books.xlsx") is a common sample dataset used in Bulgarian Information Technology (IT) education, particularly for 9th-grade students learning to manage and analyze data in spreadsheet software like Microsoft Excel. It serves as a practical tool for mastering essential digital literacy skills, such as sorting, filtering, and performing calculations. Educational Context

As an file, it utilizes the Open XML standard introduced by Microsoft in 2007. This format offers several advantages over the older .xls binary format: