Resources » Technical Support Blog » Revit 2025.3 ACC Folder Path Character limit issue

Revit 2025.3 ACC Folder Path Character limit issue

January 1, 2025 Gregory Lee
Revit 2025

Issue:
When attempting to link a model, a pop-up appears stating, "The full file name cannot be longer than 255 characters."

Causes:
In Revit 2025 with Autodesk Construction Cloud (ACC), folder names are counted with double the actual characters. For instance, a folder named "Design" is counted as 12 characters instead of 6. As a result, the allowable file path length is significantly reduced compared to previous Revit versions.

Solution:
Autodesk is investigating the issue and plans to release a fix in the near future. 

Workaround: Reduce the length of folder names to avoid triggering this issue.

 

Additional References:

Character limit in Windows vs Autodesk

About the Author

Gregory Lee

Sr Technical Support Specialist<br><br> Skilled in AutoCAD, Mixed-use, Renovation, Revit, and Sustainable Design. Strong arts and design professional with a BA in Urban design focused in Architecture from University of Washington.

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