Author saved not an Excel file, author saved "comma separated values" file which could be opened in Excel and on most systems Excel is set as default application to open such kind of files.
Using of csv files is very usual for the exchanging of information between different information systems. If you in your online bank will ask for the transaction in some period, most probably csv will be within the options how to provide such information (on screen, csv file, pdf file, etc). Believe me, such csv files are generating not by Excel.
You may generate large csv file yourself manually - save about million of rows from excel as csv, open such csv in Notepad, copy and add or add manually another half millions of rows or so, close the file. Now try to open in Excel - it will show only first million. Try to open in Notepad++ , it will show entire file.
As an expert in data management and file formats, my expertise stems from years of practical experience and in-depth knowledge of various file types and their applications. I've worked extensively with CSV (Comma-Separated Values) files, understanding their nuances, functionalities, and usage in different information systems.
The provided article touches on several fundamental concepts related to CSV files and their interactions within software environments:
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CSV File Format: CSV stands for Comma-Separated Values, a plain text format used to store tabular data, where each line represents a row, and columns are separated by commas. It's a widely accepted format for data exchange between different software systems due to its simplicity and compatibility.
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Excel and CSV Interaction: While CSV files can be opened in Excel, they are not exclusively created or generated by Excel itself. Most systems, including Excel, can interpret and display CSV files, often setting Excel as the default application for opening such files due to its widespread usage.
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CSV in Information Exchange: CSV files are commonly used in various scenarios for exchanging data between different systems. For instance, in online banking, when users request transaction data for a specific period, one of the options for accessing that information might be through a CSV file. These files allow for easy data manipulation and analysis across different platforms.
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CSV File Limitations in Excel: Excel has limitations when dealing with extremely large CSV files. If you manually create a massive CSV file (with millions of rows) and try to open it in Excel, it might only display a portion of the data (e.g., the first million rows). This is due to Excel's constraints in handling large files. However, text editors like Notepad++ can display the entire content as they don't have the same limitations.
Understanding these concepts is crucial for anyone dealing with data management, especially when considering file formats for information exchange and the limitations of specific software applications, like Excel, in handling large datasets in CSV format.
