diff --git a/applications/utilities/mesh/manipulation/checkMesh/checkTools.C b/applications/utilities/mesh/manipulation/checkMesh/checkTools.C
index e182adaacf..6c37d71fa4 100644
--- a/applications/utilities/mesh/manipulation/checkMesh/checkTools.C
+++ b/applications/utilities/mesh/manipulation/checkMesh/checkTools.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2015-2021 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2015-2022 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -364,11 +364,10 @@ void Foam::mergeAndWrite
 
     fileName outputDir
     (
-        set.time().path()
-      / (Pstream::parRun() ? ".." : "")
-      / "postProcessing"
-      / mesh.pointsInstance()
-      / set.name()
+        set.time().globalPath()
+       /functionObjects::writeFile::outputPrefix
+       /mesh.pointsInstance()
+       /set.name()
     );
     outputDir.clean();
 
diff --git a/src/functionObjects/field/layerAverage/layerAverage.C b/src/functionObjects/field/layerAverage/layerAverage.C
index 0055b9cdc0..0076d941e8 100644
--- a/src/functionObjects/field/layerAverage/layerAverage.C
+++ b/src/functionObjects/field/layerAverage/layerAverage.C
@@ -33,6 +33,7 @@ License
 #include "polyTopoChangeMap.H"
 #include "polyMeshMap.H"
 #include "polyDistributionMap.H"
+#include "OSspecific.H"
 #include "addToRunTimeSelectionTable.H"
 
 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
@@ -310,17 +311,18 @@ bool Foam::functionObjects::layerAverage::write()
         #undef CollapseTypeFields
     }
 
-    // Output directory
-    fileName outputPath =
-        mesh_.time().globalPath()/writeFile::outputPrefix/name();
-    if (mesh_.name() != fvMesh::defaultRegion)
-    {
-        outputPath = outputPath/mesh_.name();
-    }
-
     // Write
     if (Pstream::master() && layerCentre_.size())
     {
+        // Make output directory
+        const fileName outputPath =
+            mesh_.time().globalPath()
+           /writeFile::outputPrefix
+           /(mesh_.name() != polyMesh::defaultRegion ? mesh_.name() : word())
+           /name()
+           /mesh_.time().timeName();
+        mkDir(outputPath);
+
         scalarField layerDistance(layerCentre_.size(), 0);
         for (label i = 1; i < layerCentre_.size(); ++ i)
         {
@@ -330,7 +332,7 @@ bool Foam::functionObjects::layerAverage::write()
 
         formatter_->write
         (
-            outputPath/mesh_.time().timeName(),
+            outputPath,
             typeName,
             coordSet
             (
diff --git a/src/functionObjects/field/streamlines/streamlines.C b/src/functionObjects/field/streamlines/streamlines.C
index c870ed8c23..123e0765ae 100644
--- a/src/functionObjects/field/streamlines/streamlines.C
+++ b/src/functionObjects/field/streamlines/streamlines.C
@@ -533,15 +533,12 @@ bool Foam::functionObjects::streamlines::write()
     if (Pstream::master() && allPositions.size())
     {
         // Make output directory
-        fileName outputPath
-        (
-            mesh_.time().globalPath()/writeFile::outputPrefix/name()
-        );
-        if (mesh_.name() != fvMesh::defaultRegion)
-        {
-            outputPath = outputPath/mesh_.name();
-        }
-        outputPath = outputPath/mesh_.time().timeName();
+        const fileName outputPath =
+            mesh_.time().globalPath()
+           /writeFile::outputPrefix
+           /(mesh_.name() != polyMesh::defaultRegion ? mesh_.name() : word())
+           /name()
+           /mesh_.time().timeName();
         mkDir(outputPath);
 
         // Pass data to the formatter to write
diff --git a/src/lagrangian/parcel/submodels/CloudFunctionObjects/CloudFunctionObject/CloudFunctionObject.C b/src/lagrangian/parcel/submodels/CloudFunctionObjects/CloudFunctionObject/CloudFunctionObject.C
index 4519dc785b..83ba356283 100644
--- a/src/lagrangian/parcel/submodels/CloudFunctionObjects/CloudFunctionObject/CloudFunctionObject.C
+++ b/src/lagrangian/parcel/submodels/CloudFunctionObjects/CloudFunctionObject/CloudFunctionObject.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2021 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2022 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -24,6 +24,7 @@ License
 \*---------------------------------------------------------------------------*/
 
 #include "CloudFunctionObject.H"
+#include "writeFile.H"
 
 // * * * * * * * * * * * Protected Member Functions  * * * * * * * * * * * * //
 
@@ -57,7 +58,10 @@ Foam::CloudFunctionObject<CloudType>::CloudFunctionObject
     outputDir_()
 {
     const fileName relPath =
-        "postProcessing"/cloud::prefix/owner.name()/this->modelName();
+        functionObjects::writeFile::outputPrefix
+       /cloud::prefix
+       /owner.name()
+       /this->modelName();
 
     outputDir_ = owner.mesh().time().globalPath()/relPath;
 }
diff --git a/src/sampling/probes/probes.C b/src/sampling/probes/probes.C
index 28057672a4..36e1aaf5f9 100644
--- a/src/sampling/probes/probes.C
+++ b/src/sampling/probes/probes.C
@@ -27,6 +27,7 @@ License
 #include "volFields.H"
 #include "polyTopoChangeMap.H"
 #include "OSspecific.H"
+#include "writeFile.H"
 #include "addToRunTimeSelectionTable.H"
 
 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
@@ -191,17 +192,12 @@ Foam::label Foam::probes::prepare()
                 << endl;
         }
 
-
-        fileName probeDir;
-        fileName probeSubDir = name();
-
-        if (mesh_.name() != polyMesh::defaultRegion)
-        {
-            probeSubDir = probeSubDir/mesh_.name();
-        }
-        probeSubDir = "postProcessing"/probeSubDir/mesh_.time().timeName();
-
-        probeDir = mesh_.time().globalPath()/probeSubDir;
+        const fileName probeDir =
+            mesh_.time().globalPath()
+           /functionObjects::writeFile::outputPrefix
+           /(mesh_.name() != polyMesh::defaultRegion ? mesh_.name() : word())
+           /name()
+           /mesh_.time().timeName();
 
         // ignore known fields, close streams for fields that no longer exist
         forAllIter(HashPtrTable<OFstream>, probeFilePtrs_, iter)
diff --git a/src/sampling/sampledSet/sampledSets/sampledSets.C b/src/sampling/sampledSet/sampledSets/sampledSets.C
index bbf9f73c1a..fbf763e760 100644
--- a/src/sampling/sampledSet/sampledSets/sampledSets.C
+++ b/src/sampling/sampledSet/sampledSets/sampledSets.C
@@ -111,19 +111,17 @@ Foam::functionObjects::sampledSets::sampledSets
 :
     fvMeshFunctionObject(name, t, dict),
     PtrList<sampledSet>(),
-    outputPath_(fileName::null),
+    outputPath_
+    (
+        mesh_.time().globalPath()
+       /writeFile::outputPrefix
+       /(mesh_.name() != polyMesh::defaultRegion ? mesh_.name() : word())
+       /name
+    ),
     searchEngine_(mesh_),
     interpolationScheme_(word::null),
     formatter_(nullptr)
 {
-    outputPath_ =
-        mesh_.time().globalPath()/functionObjects::writeFile::outputPrefix/name;
-
-    if (mesh_.name() != fvMesh::defaultRegion)
-    {
-        outputPath_ = outputPath_/mesh_.name();
-    }
-
     read(dict);
 }
 
diff --git a/src/sampling/sampledSurface/sampledSurfaces/sampledSurfaces.C b/src/sampling/sampledSurface/sampledSurfaces/sampledSurfaces.C
index 498addb005..e05970846a 100644
--- a/src/sampling/sampledSurface/sampledSurfaces/sampledSurfaces.C
+++ b/src/sampling/sampledSurface/sampledSurfaces/sampledSurfaces.C
@@ -165,21 +165,19 @@ Foam::functionObjects::sampledSurfaces::sampledSurfaces
 :
     fvMeshFunctionObject(name, t, dict),
     PtrList<sampledSurface>(),
-    outputPath_(fileName::null),
+    outputPath_
+    (
+        mesh_.time().globalPath()
+       /writeFile::outputPrefix
+       /(mesh_.name() != polyMesh::defaultRegion ? mesh_.name() : word())
+       /name
+    ),
     fields_(),
     interpolationScheme_(word::null),
     writeEmpty_(false),
     mergeList_(),
     formatter_(nullptr)
 {
-    outputPath_ =
-        mesh_.time().globalPath()/functionObjects::writeFile::outputPrefix/name;
-
-    if (mesh_.name() != fvMesh::defaultRegion)
-    {
-        outputPath_ = outputPath_/mesh_.name();
-    }
-
     read(dict);
 }