diff --git a/.ci/build-examples.sh b/.ci/build-examples.sh
new file mode 100755
index 0000000..4138a0f
--- /dev/null
+++ b/.ci/build-examples.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+
+cd $PWD
+go get github.com/go-ole/go-ole/oleutil@v1.3.0
+
+:> build_errors
+find $PWD -maxdepth 2 -mindepth 1 -not -path '*/\.*' -type d -exec sh -c "cd {}; echo building {}; go build -tags=test main.go" 2>>build_log \;
+grep -v "^go: " build_log | grep -v main.go > build_errors
+if [[ $(wc -l build_errors | awk '{print $1}') == "0" ]]; then
+	exit 0
+fi
+echo BUILD ERRORS:
+cat build_errors
+echo END OF BUILD ERRORS.
+exit 1
diff --git a/.ci/validate-examples.sh b/.ci/validate-examples.sh
index 319af4e..c056fc7 100755
--- a/.ci/validate-examples.sh
+++ b/.ci/validate-examples.sh
@@ -1,13 +1,13 @@
 #!/bin/bash
 :> errors
-output=$(find ../_examples -maxdepth 2 -mindepth 2 ! -name "metered" ! -name "offline" ! -name "metered-non-persistent-cache" ! -name "usage-logs" -print0 | xargs -0 -I{} sh -c "cd {}; echo running {}; ./main")
+output=$(find ../ -maxdepth 2 -mindepth 1 -not -path '*/\.*' -type d ! -name "metered" ! -name "offline" ! -name "metered-non-persistent-cache" ! -name "usage-logs" -print0 | xargs -0 -I{} sh -c "cd {}; echo running {}; ./main")
 if [ $? -ne 0 ]; then
     echo $output >> errors
 fi
 export PATH=$PATH:$HOME/dotnet
-find ../_examples -name "*.docx" $(printf "! -name %s " $(cat skip_files)) -exec ./dotnet_run.sh {} docx \;
-find ../_examples -name "*.xlsx" $(printf "! -name %s " $(cat skip_files)) -exec ./dotnet_run.sh {} xlsx \;
-find ../_examples -name "*.pptx" $(printf "! -name %s " $(cat skip_files)) -exec ./dotnet_run.sh {} pptx \;
+find ../ -name "*.docx" $(printf "! -name %s " $(cat skip_files)) -exec ./dotnet_run.sh {} docx \;
+find ../ -name "*.xlsx" $(printf "! -name %s " $(cat skip_files)) -exec ./dotnet_run.sh {} xlsx \;
+find ../ -name "*.pptx" $(printf "! -name %s " $(cat skip_files)) -exec ./dotnet_run.sh {} pptx \;
 echo Errors: $(wc -l errors)
 if [[ $(wc -l errors | awk '{print $1}') == "0" ]]; then
 	exit 0
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fb78014..a59bb22 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,4 +1,4 @@
-name: UniOffice CI
+name: UniOffice Examples CI
 
 on:
   push:
@@ -34,7 +34,7 @@ jobs:
           wget https://download.visualstudio.microsoft.com/download/pr/4e3b04aa-c015-4e06-a42e-05f9f3c54ed2/74d1bb68e330eea13ecfc47f7cf9aeb7/dotnet-sdk-8.0.404-linux-x64.tar.gz
           tar -xf dotnet-sdk-8.0.404-linux-x64.tar.gz
 
-      - name: test
+      - name: Test and validate examples
         run: |
           export REPO=$PWD
           cd $REPO/.ci
@@ -44,7 +44,7 @@ jobs:
           cd $REPO/.ci/openxml-validator
           $HOME/dotnet/dotnet build --configuration Release
           cd $REPO
-          ./build_examples.sh
+          ./.ci/build-examples.sh
           cd $REPO/.ci
           ./validate-examples.sh
           if [ $? -ne 0 ]
diff --git a/document/comment-list/main.go b/document/comment-list/main.go
index 40ee4db..a184881 100644
--- a/document/comment-list/main.go
+++ b/document/comment-list/main.go
@@ -25,14 +25,7 @@ func init() {
 }
 
 func main() {
-	if len(os.Args) < 2 {
-		fmt.Printf("Syntax: go run main.go input.docx\n")
-		os.Exit(1)
-	}
-
-	inputPath := os.Args[1]
-
-	doc, err := document.Open(inputPath)
+	doc, err := document.Open("sample.docx")
 	if err != nil {
 		log.Fatalf("error opening document: %s", err)
 	}
diff --git a/document/comment-list/sample.docx b/document/comment-list/sample.docx
new file mode 100644
index 0000000..3be86cf
Binary files /dev/null and b/document/comment-list/sample.docx differ
diff --git a/document/comment-remove/main.go b/document/comment-remove/main.go
index e601b25..38e5841 100644
--- a/document/comment-remove/main.go
+++ b/document/comment-remove/main.go
@@ -10,7 +10,6 @@ import (
 	"fmt"
 	"log"
 	"os"
-	"strconv"
 
 	"github.com/unidoc/unioffice/v2/common/license"
 	"github.com/unidoc/unioffice/v2/document"
@@ -26,18 +25,7 @@ func init() {
 }
 
 func main() {
-	if len(os.Args) < 3 {
-		fmt.Printf("Syntax: go run main.go input.docx comment_id\n")
-		os.Exit(1)
-	}
-
-	inputPath := os.Args[1]
-	commentId, err := strconv.Atoi(os.Args[2])
-	if err != nil {
-		log.Fatalf("error parsing comment id: %s", err)
-	}
-
-	doc, err := document.Open(inputPath)
+	doc, err := document.Open("sample.docx")
 	if err != nil {
 		log.Fatalf("error opening document: %s", err)
 	}
@@ -45,7 +33,7 @@ func main() {
 
 	listComments(doc)
 
-	if sucess := doc.RemoveComment(int64(commentId)); !sucess {
+	if ok := doc.RemoveComment(int64(2)); !ok {
 		fmt.Println("Failed removing comment")
 
 		return
diff --git a/document/comment-remove/sample.docx b/document/comment-remove/sample.docx
new file mode 100644
index 0000000..3be86cf
Binary files /dev/null and b/document/comment-remove/sample.docx differ
diff --git a/document/node-remove/main.go b/document/node-remove/main.go
index 0aec7d7..2e17b15 100644
--- a/document/node-remove/main.go
+++ b/document/node-remove/main.go
@@ -4,7 +4,6 @@
 package main
 
 import (
-	"fmt"
 	"log"
 	"os"
 
@@ -20,16 +19,7 @@ func init() {
 }
 
 func main() {
-	args := os.Args
-	if len(args) < 2 {
-		fmt.Printf("Usage %s go run main.go input.docx output.docx", os.Args[0])
-		return
-	}
-
-	inputPath := args[1]
-	outputPath := args[2]
-
-	doc, err := document.Open(inputPath)
+	doc, err := document.Open("sample.docx")
 	if err != nil {
 		log.Fatalf("error opening document: %s", err)
 	}
@@ -46,7 +36,7 @@ func main() {
 		}
 	}
 
-	err = doc.SaveToFile(outputPath)
+	err = doc.SaveToFile("output.docx")
 	if err != nil {
 		panic(err)
 	}
diff --git a/document/template-with-header/letter_template.docx b/document/template-with-header/letter_template.docx
index 2a8fb75..72f1e49 100755
Binary files a/document/template-with-header/letter_template.docx and b/document/template-with-header/letter_template.docx differ
diff --git a/document/use-template/use-template.docx b/document/use-template/use-template.docx
new file mode 100644
index 0000000..0f51a2b
Binary files /dev/null and b/document/use-template/use-template.docx differ
diff --git a/spreadsheet/line-chart-from-csv/main.go b/spreadsheet/line-chart-from-csv/main.go
index 90a9d16..11a6741 100644
--- a/spreadsheet/line-chart-from-csv/main.go
+++ b/spreadsheet/line-chart-from-csv/main.go
@@ -23,16 +23,7 @@ func init() {
 }
 
 func main() {
-	args := os.Args
-	if len(args) < 2 {
-		fmt.Printf("Usage %s go run main.go input.csv output.xlsx", os.Args[0])
-		return
-	}
-
-	inputPath := args[1]
-	outputPath := args[2]
-
-	sliceData, err := readCsv(inputPath)
+	sliceData, err := readCsv("example-data.csv")
 	if err != nil {
 		log.Fatalf("error reading csv: %s", err)
 	}
@@ -99,7 +90,7 @@ func main() {
 		log.Fatalf("error validating sheet: %s", err)
 	}
 
-	if err := ss.SaveToFile(outputPath); err != nil {
+	if err := ss.SaveToFile("output.xlsx"); err != nil {
 		log.Fatalf("error saving: %s", err)
 	}
 }
diff --git a/spreadsheet/line-chart-from-csv/output.xlsx b/spreadsheet/line-chart-from-csv/output.xlsx
index 293e935..6be4b80 100644
Binary files a/spreadsheet/line-chart-from-csv/output.xlsx and b/spreadsheet/line-chart-from-csv/output.xlsx differ
diff --git a/spreadsheet/multiple-charts-from-csv/charts-from-csv.xlsx b/spreadsheet/multiple-charts-from-csv/charts-from-csv.xlsx
index 50cfbe9..9f805ec 100644
Binary files a/spreadsheet/multiple-charts-from-csv/charts-from-csv.xlsx and b/spreadsheet/multiple-charts-from-csv/charts-from-csv.xlsx differ