Most common ones:

1. Delimited text file formats

    - store data as text in which each line, values separated by a delimiter

    - example: CSV, TSV

2. Microsoft Excel Open XML Spreadsheet (XLSX)

    -  Worksheet is organized into rows and columns, at the intersection of which is the cell.

    - pen file format, which means it is generally accessible to most other applications.

3. Extensible Markup Language (XML)

    -  markup language with set rules for encoding data.

    -  Self-descriptive language designed for sending information over the internet.

4. Portable Document Format (PDF)

    - file format developed by Adobe to present documents independent of application software, hardware, and operating systems

    - It can be viewed the same way on any device.

5. JavaScript Object Notation (JSON)

    - text-based open standard designed for transmitting structured data over the web. 

    - The file format is a language-independent data format that can be read in any programming language.