Intel® Quartus® Prime Pro Edition User Guide: Getting Started

ID 683463
Date 12/04/2023
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Document Table of Contents
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4.1.2. Project Path Length Considerations

Design files with lengthy file paths might cause an internal error in the Windows* version of the Intel® Quartus® Prime Pro Edition software. Windows has a 260-character maximum path length limitation on the combined length of a file name and its file path. For more information, refer to Maximum Path Length Limitation.

To reduce the length of a file path to a design file, Intel® strongly recommends creating, storing, or moving your Intel® Quartus® Prime project to a shorter path. For example:

C:\quartus_pro\23_4\project

Tip: There are several third-party software freely available to help you fix the long path issue for Windows.