When a large folder or file (like a high-definition video, a software installer, or a large dataset) is too big to upload or share as one piece, it is "split" into parts labeled .part1.rar , .part2.rar , etc.
Once extracted, you will likely find a folder containing the text documents, images, or software you are looking for.
This is a compressed format created by WinRAR. To open it, you need all the parts of the set in the same folder. How to see the "text" or content inside:
Because this file name is generic and used across various platforms, I cannot see the specific text or data inside it for you. However, here is what that file typically represents and how you can access its contents: What is this file?
CMS Portal - The free marketplace for submitting Joomla, Drupal, Wordpress, Magento, phpBB, Prestashop, vBulletin, Opencart Templates and more. R8.part1.rar