diff --git a/antarest/launcher/model.py b/antarest/launcher/model.py
index 85225cd8d6..9106c703eb 100644
--- a/antarest/launcher/model.py
+++ b/antarest/launcher/model.py
@@ -81,7 +81,7 @@ class LauncherParametersDTO(AntaresBaseModel, extra="forbid"):
     time_limit: int = 240 * 3600  # Default value set to 240 hours (in seconds)
     xpansion: XpansionParametersDTO | bool | None = None
     xpansion_r_version: bool = False
-    archive_output: bool = True
+    archive_output: bool = Field(deprecated=True, default=True)
     auto_unzip: bool = True
     output_suffix: FileNameStr | None = None
     other_options: str | None = None
diff --git a/antarest/launcher/service.py b/antarest/launcher/service.py
index 6a4ab54d13..b4ded6dae5 100644
--- a/antarest/launcher/service.py
+++ b/antarest/launcher/service.py
@@ -64,9 +64,10 @@
 from antarest.login.service import LoginService
 from antarest.login.utils import current_user_context, get_current_user, require_current_user
 from antarest.output.service import OutputService
+from antarest.study.model import Study
 from antarest.study.repository import AccessPermissions, StudyFilter
 from antarest.study.service import StudyService
-from antarest.study.storage.utils import assert_permission, extract_output_name, find_single_output_path
+from antarest.study.storage.utils import assert_permission, extract_output_name, find_single_output_path, is_managed
 
 logger = logging.getLogger(__name__)
 
@@ -532,32 +533,43 @@ def _import_output(
             job_result = self.job_result_repository.get(job_id)
             if not job_result:
                 raise JobNotFound()
-            study_id = job_result.study_id
+
             job_owner_id = job_result.owner_id
             job_launch_params = LauncherParametersDTO.from_launcher_params(job_result.launcher_params)
 
             output_true_path = find_single_output_path(output_path)
-
             if not output_true_path.is_dir() and not is_zip(output_true_path):
                 raise NoValidOutputError(f"No valid output for job {job_id}: {output_true_path}")
 
             self._save_solver_stats(job_result, output_true_path)
 
+            study_id = job_result.study_id
+            study = db.session.get(Study, study_id)
+            if study is None:
+                return self._import_fallback_output(job_id, output_true_path, job_launch_params.output_suffix)
+            is_study_managed = is_managed(study)
+
         zip_path: Path | None = None
-        # Optimized path for studies stored on external devices, that will then be unarchived there.
-        # TODO: that whole optimization path should be refactored to:
-        #       - be more explicit
-        #       - not affect internal studies
-        if job_launch_params.archive_output:
-            stopwatch = StopWatch()
-            logger.info("Re zipping output for transfer")
-            zip_path = output_true_path.parent / f"{output_true_path.name}.zip"
-            archive_dir(output_true_path, target_archive_path=zip_path, archive_format=ArchiveFormat.ZIP)
-            logger.info(f"Zipped output for job {job_id} in {stopwatch}s")
-            final_output_path = zip_path
-        else:
+
+        if is_zip(output_true_path):
+            # Possible if the option `-z` was used to run the solver.
             final_output_path = output_true_path
 
+        else:
+            if is_study_managed and job_launch_params.auto_unzip:
+                # Nothing to do, the output is already unarchived.
+                final_output_path = output_true_path
+            else:
+                # For studies stored on external devices, it's faster to re-zip the output for transfer and unarchive it there.
+                # Also, for managed studies when the user did not ask for auto-unzip, we'd better re-zip the output here instead of copying the tree and then zip it.
+                # TODO: that whole optimization should be refactored to be more explicit
+                stopwatch = StopWatch()
+                logger.info("Re zipping output for transfer")
+                zip_path = output_true_path.parent / f"{output_true_path.name}.zip"
+                archive_dir(output_true_path, target_archive_path=zip_path, archive_format=ArchiveFormat.ZIP)
+                logger.info(f"Zipped output for job {job_id} in {stopwatch}s")
+                final_output_path = zip_path
+
         with db():
             try:
                 if job_owner_id:
@@ -575,15 +587,11 @@ def _import_output(
                         logs=additional_logs,
                     )
             except StudyNotFoundError:
-                return self._import_fallback_output(
-                    job_id,
-                    final_output_path,
-                    job_launch_params.output_suffix,
-                )
+                return self._import_fallback_output(job_id, final_output_path, job_launch_params.output_suffix)
             finally:
                 # Delete the temporary zip file, which now has been imported
                 if zip_path:
-                    os.unlink(zip_path)
+                    zip_path.unlink(missing_ok=True)
 
     def _download_fallback_output(self, job_id: str) -> FileDownloadTaskDTO:
         output_path = self._get_job_output_fallback_path(job_id)
diff --git a/antarest/output/service.py b/antarest/output/service.py
index b78f86b4a8..c36e521b35 100644
--- a/antarest/output/service.py
+++ b/antarest/output/service.py
@@ -410,9 +410,10 @@ def import_output(
 
         logger.info(f"output added to study {uuid}")
 
-        # Optimized path for studies stored on external devices, that will then be unarchived there.
         # TODO: as commented elsewhere, that workflow should be refactored to not span multiple files
         if output_id and isinstance(output, Path) and output.suffix == ArchiveFormat.ZIP and auto_unzip:
+            # Always the case for studies stored on external devices, as they will be unarchived there for performance reasons.
+            # It is also possible for managed studies if the option `-z` was used to run the solver.
             self.unarchive_output(uuid, output_id)
 
         return output_id
diff --git a/antarest/output/storage/file/abstract_storage.py b/antarest/output/storage/file/abstract_storage.py
index 0d151f50b2..0ad1284e5d 100644
--- a/antarest/output/storage/file/abstract_storage.py
+++ b/antarest/output/storage/file/abstract_storage.py
@@ -182,14 +182,14 @@ def _output_exists(outputs_root: Path, output_id: str) -> bool:
 def _import_zip_as_archived(
     study_id: str, output_zip_path: Path, study_outputs_path: Path, output_name_suffix: str | None, logs: SimulationLogs
 ) -> str:
-    """Simply copies the zip to destination study/output/<output_name>.zip, with the right name extracted from output
+    """Simply moves the zip to destination study/output/<output_name>.zip, with the right name extracted from output
     files."""
     t = StopWatch()
 
     output_full_name = extract_output_name(output_zip_path, output_name_suffix)
     final_path = _archived_output_path(study_outputs_path, output_full_name)
     study_outputs_path.mkdir(exist_ok=True)
-    shutil.copyfile(output_zip_path, final_path)
+    shutil.move(output_zip_path, final_path)
 
     _add_logs(final_path, logs)
 
diff --git a/tests/integration/variant_blueprint/test_variant_manager.py b/tests/integration/variant_blueprint/test_variant_manager.py
index 79db7a88cb..ba618e993e 100644
--- a/tests/integration/variant_blueprint/test_variant_manager.py
+++ b/tests/integration/variant_blueprint/test_variant_manager.py
@@ -49,9 +49,7 @@ def variant_id_fixture(client: TestClient, admin_access_token: str, base_study_i
 
 
 @pytest.fixture(name="generate_snapshots")
-def generate_snapshot_fixture(
-    client: TestClient, admin_access_token: str, base_study_id: str, monkeypatch: pytest.MonkeyPatch
-) -> t.List[str]:
+def generate_snapshot_fixture(client: TestClient, admin_access_token: str, base_study_id: str) -> list[str]:
     """Generate some snapshots with different date of update and last access"""
 
     # Initialize variant_ids list
@@ -372,11 +370,7 @@ def test_outputs(client: TestClient, admin_access_token: str, variant_id: str, t
 
 
 def test_clear_snapshots(
-    client: TestClient,
-    admin_access_token: str,
-    tmp_path: Path,
-    generate_snapshots: t.List[str],
-    monkeypatch: pytest.MonkeyPatch,
+    client: TestClient, admin_access_token: str, tmp_path: Path, generate_snapshots: list[str]
 ) -> None:
     """
     The `snapshot/` directory must not exist after a call to `clear-snapshot`.
diff --git a/tests/launcher/test_service.py b/tests/launcher/test_service.py
index 1c9bf9a68e..981adf385e 100644
--- a/tests/launcher/test_service.py
+++ b/tests/launcher/test_service.py
@@ -13,9 +13,10 @@
 import json
 import os
 import time
+import uuid
 from datetime import datetime, timedelta, timezone
 from pathlib import Path
-from unittest.mock import Mock, call
+from unittest.mock import Mock, call, patch
 from uuid import uuid4
 from zipfile import ZIP_DEFLATED, ZipFile
 
@@ -39,7 +40,7 @@
 from antarest.core.model import PermissionInfo, PublicMode
 from antarest.core.requests import UserHasNotPermissionError
 from antarest.core.utils.fastapi_sqlalchemy import DBSessionMiddleware
-from antarest.core.utils.fastapi_sqlalchemy.middleware import init_db_singleton
+from antarest.core.utils.fastapi_sqlalchemy.middleware import db, init_db_singleton
 from antarest.core.utils.utils import current_time
 from antarest.dbmodel import Base
 from antarest.launcher.adapters.abstractlauncher import SimulationLogs
@@ -70,6 +71,7 @@
 from antarest.login.utils import current_user_context, get_current_user
 from antarest.output.service import OutputService
 from antarest.study.model import (
+    DEFAULT_WORKSPACE_NAME,
     STUDY_VERSION_8_8,
     STUDY_VERSION_9_2,
     OwnerInfo,
@@ -83,7 +85,7 @@
 from antarest.study.storage.variantstudy.command_factory import CommandFactory
 from antarest.study.storage.variantstudy.model.command_context import CommandContext
 from antarest.study.storage.variantstudy.variant_study_service import VariantStudyService
-from tests.helpers import with_admin_user
+from tests.helpers import create_raw_study, with_admin_user, with_db_context
 
 
 class TestLauncherService:
@@ -776,6 +778,7 @@ def test_get_logs(self, tmp_path: Path) -> None:
         )
 
     @with_admin_user
+    @with_db_context
     def test_manage_output(self, tmp_path: Path) -> None:
         # TODO: finish adaptation
         study_service = Mock()
@@ -812,7 +815,12 @@ def test_manage_output(self, tmp_path: Path) -> None:
             output_data.writestr("some output", "0\n1")
         job_id = "job_id"
         zipped_job_id = "zipped_job_id"
-        study_id = "study_id"
+        study_id = str(uuid.uuid4())
+        # Adds the study linked to the job inside DB
+        study = create_raw_study(study_id, "study-test", tmp_path)
+        db.session.add(study)
+        db.session.commit()
+        # Defines the side effects
         launcher_service.job_result_repository.get.side_effect = [
             None,
             JobResult(id=job_id, study_id=study_id),
@@ -1002,6 +1010,7 @@ def test_save_solver_stats(self, tmp_path: Path) -> None:
         )
         assert actual_obj.to_dto().model_dump() == expected_obj.to_dto().model_dump()
 
+    @with_db_context
     def test_import_output_is_called_with_the_right_user(self, tmp_path: Path) -> None:
         # Create user
         jwt_user = JWTUser(id=2, impersonator=2, type="users")
@@ -1009,9 +1018,14 @@ def test_import_output_is_called_with_the_right_user(self, tmp_path: Path) -> No
         login_service = Mock()
         login_service.get_jwt.return_value = jwt_user
         # Put this user as the job owner
-        job_result = JobResult(study_id="study_id", owner_id=jwt_user.id)
+        study_id = str(uuid.uuid4())
+        job_result = JobResult(study_id=study_id, owner_id=jwt_user.id)
         job_repository = Mock()
         job_repository.get.return_value = job_result
+        # Adds the study linked to the job inside DB
+        study = create_raw_study(study_id, "study-test", tmp_path)
+        db.session.add(study)
+        db.session.commit()
 
         # fake import_output function that checks the current user
         def fake_import_output(
@@ -1039,6 +1053,7 @@ def fake_import_output(
 
         # Ensures the output_service.import_output method was called with the right user
         launcher_service._import_output("job_id", tmp_path, SimulationLogs.no_logs())
+        launcher_service.output_service.import_output.assert_called_once()
 
     @with_admin_user
     def test_run_study_with_solver_presets(self) -> None:
@@ -1140,6 +1155,60 @@ def get_mock_solver_presets(solver_presets_id: str):
         with pytest.raises(IncompatibleSolverPresets):
             launcher_service.run_study("study_uuid", "local", params_with_other_options, "config-1", "8.0")
 
+    @with_db_context
+    @pytest.mark.parametrize("managed", [True, False])
+    def test_import_output_for_different_workspaces(self, tmp_path: Path, managed: bool) -> None:
+        ##########################
+        # Set Up
+        ##########################
+
+        # Create a study in DB
+        study_id = str(uuid.uuid4())
+        study = create_raw_study(study_id, "study-test", path="")
+        if managed:
+            study.workspace = DEFAULT_WORKSPACE_NAME
+        else:
+            study.workspace = "other-workspace"
+        db.session.add(study)
+        db.session.commit()
+
+        # Create a fake job
+        job_result = JobResult(study_id=study_id, owner_id=1)
+        job_repository = Mock()
+        job_repository.get.return_value = job_result
+
+        # Builds the service
+        output_service = Mock()
+        output_service.import_output.side_effect = None
+        launcher_service = LauncherService(
+            config=Mock(),
+            study_service=Mock(),
+            output_service=output_service,
+            login_service=Mock(),
+            job_result_repository=job_repository,
+            solver_presets_repository=Mock(),
+            event_bus=Mock(),
+            factory_launcher=Mock(),
+            file_transfer_manager=Mock(),
+            task_service=Mock(),
+            cache=Mock(),
+        )
+
+        ##########################
+        # Test
+        ##########################
+
+        # We patch the `archive_dir` function to always raise.
+        # This way we can check if it was called or not.
+        with patch("antarest.launcher.service.archive_dir", side_effect=ValueError("Output archiving failed for test")):
+            if managed:
+                # We should not raise here as we do not need to archive the output.
+                launcher_service._import_output("job_id", tmp_path, SimulationLogs.no_logs())
+            else:
+                # Here we expect the method to raise as we need to archive the output in order to unarchive it later on the Windows VM.
+                with pytest.raises(ValueError, match="Output archiving failed for test"):
+                    launcher_service._import_output("job_id", tmp_path, SimulationLogs.no_logs())
+
 
 class TestNormalizeScheduledAt:
     NOW = datetime(2026, 7, 7, 12, 0, 0)
diff --git a/tests/output/storage/file/test_file_output_storage.py b/tests/output/storage/file/test_file_output_storage.py
index 3514fd0378..04509d6843 100644
--- a/tests/output/storage/file/test_file_output_storage.py
+++ b/tests/output/storage/file/test_file_output_storage.py
@@ -547,9 +547,7 @@ def test_import_output_directory(output_storage: IOutputStorage, tmp_path: Path)
     assert output_storage.get_logs("my-study", f"{expected_date}eco-other", LogType.STDERR) == "some error"
 
 
-def test_import_output_zip_should_import_it_as_archived(
-    output_storage: IOutputStorage, tmp_path: Path, sta_mini_zip_path: Path
-) -> None:
+def test_import_output_zip_should_import_it_as_archived(output_storage: IOutputStorage, tmp_path: Path) -> None:
     # Checks the "optimized path" for zipped outputs, see TODOs
 
     # Use the `20201014-1430adq-2` output as it's already zipped
@@ -564,6 +562,10 @@ def test_import_output_zip_should_import_it_as_archived(
         zip_path = outputs_dir / "STA-mini" / "20201014-1430adq-2.zip"
         in_study = False
 
+    # Copies the `zip_path` as `import_output` cleans it.
+    second_zip_path = tmp_path / "output_copied.zip"
+    shutil.copy(zip_path, second_zip_path)
+
     # Import zip file
     output_id = output_storage.import_output("my-study", zip_path)
 
@@ -581,7 +583,7 @@ def test_import_output_zip_should_import_it_as_archived(
     err_logs = tmp_path / "err.log"
     err_logs.write_text("some error")
     output_id = output_storage.import_output(
-        "my-study", zip_path, output_name_suffix="other", logs=SimulationLogs(out_logs, err_logs)
+        "my-study", second_zip_path, output_name_suffix="other", logs=SimulationLogs(out_logs, err_logs)
     )
     assert output_id == f"{expected_date}adq-other"
     assert output_storage.list_outputs("my-study") == [
diff --git a/tests/study/storage/variantstudy/test_variant_study_service.py b/tests/study/storage/variantstudy/test_variant_study_service.py
index 5708dc7362..40cbcd105c 100644
--- a/tests/study/storage/variantstudy/test_variant_study_service.py
+++ b/tests/study/storage/variantstudy/test_variant_study_service.py
@@ -220,7 +220,6 @@ def test_clear_all_snapshots(
         variant_study_service: VariantStudyService,
         raw_study_service: RawStudyService,
         fs_dao: FileStudyTreeDao,
-        monkeypatch: pytest.MonkeyPatch,
     ) -> None:
         """
         - Test return value in case the user is not allowed to call the function,