diff --git a/src/ansys/aedt/core/application/design.py b/src/ansys/aedt/core/application/design.py
index c611232d5d4..4eff9fce17e 100644
--- a/src/ansys/aedt/core/application/design.py
+++ b/src/ansys/aedt/core/application/design.py
@@ -65,6 +65,7 @@
 from ansys.aedt.core.generic.constants import AEDT_UNITS
 from ansys.aedt.core.generic.constants import unit_system
 from ansys.aedt.core.generic.data_handlers import variation_string_to_dict
+from ansys.aedt.core.generic.file_utils import available_file_name
 from ansys.aedt.core.generic.file_utils import check_and_download_file
 from ansys.aedt.core.generic.file_utils import generate_unique_name
 from ansys.aedt.core.generic.file_utils import is_project_locked
@@ -1255,9 +1256,9 @@ def oproject(self, proj_name=None):
                 settings.remote_rpc_session and settings.remote_rpc_session.filemanager.pathexists(proj_name)
             ):
                 if ".aedtz" in proj_name:
-                    name = self._generate_unique_project_name()
-                    path = os.path.dirname(proj_name)
-                    self.odesktop.RestoreProjectArchive(proj_name, os.path.join(path, name), True, True)
+                    p = Path(proj_name).parent
+                    save_to_file = available_file_name(p.with_suffix(".aedt"))
+                    self.odesktop.RestoreProjectArchive(str(save_to_file.name), str(p), True, True)
                     time.sleep(0.5)
                     proj_name = name[:-5]
                     self._oproject = self.desktop_class.active_project(proj_name)
diff --git a/src/ansys/aedt/core/generic/file_utils.py b/src/ansys/aedt/core/generic/file_utils.py
index afce9d3c03c..c8db17e9d32 100644
--- a/src/ansys/aedt/core/generic/file_utils.py
+++ b/src/ansys/aedt/core/generic/file_utils.py
@@ -315,6 +315,33 @@ def generate_unique_project_name(
     return str(prj)
 
 
+@pyaedt_function_handler()
+def available_file_name(full_file_name: Union[str, Path]) -> Path:
+    """Provide a file name that doesn't exist.
+
+    If the input file name exists, increment the base
+    name and return a valid ``Path`` object with an updated name.
+
+    Parameters
+    ----------
+    full_file_name : str or :class:`pathlib.Path`
+        File to be saved.
+
+    Returns
+    -------
+    class:`pathlib.Path`
+        Valid file name with increment suffix `"_n.ext"`.  If the file doesn't
+        exist, the original file name will be returned as a ``Path`` object.
+    """
+    p = Path(full_file_name)
+    candidate = p
+    n = 1
+    while candidate.exists():
+        candidate = candidate.with_name(f"{p.stem}_{n}{p.suffix}")
+        n += 1
+    return candidate
+
+
 @pyaedt_function_handler(startpath="path", filepattern="file_pattern")
 def recursive_glob(path: Union[str, Path], file_pattern: str):
     """Get a list of files matching a pattern, searching recursively from a start path.