أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
there is absolutely no way for doing that, because revit is a parametric design software, and with each new version , new parameters are being added, so if you were able to downgrade your file version t would be incompatible in some of it's feature, and that is the reason why you can' open it.
هل تحتاج لمساعدة في كتابة سيرة ذاتية تحتوي على الكلمات الدلالية التي يبحث عنها أصحاب العمل؟