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Microsoft 70-543 Exam Overview:
| Certification Vendor: | Microsoft |
|---|---|
| Exam Name: | PRO: Visual Studio 2005/2008 Tools for Microsoft Office System (VSTO) |
| Exam Number: | 70-543 |
| Real Exam Qty: | 40-60 |
| Exam Format: | Multiple choice, Case study, Scenario-based questions |
| Available Languages: | English |
| Passing Score: | 700 (on 1000 scale) |
| Exam Price: | USD 165 (varies by region) |
| Related Certifications: | Microsoft Certified Technology Specialist (MCTS): Visual Studio Tools for Office |
| Exam Duration: | 120-150 |
| Certificate Validity Period: | Retired |
| Sample Questions: | ![]() |
| Exam Way: | Computer-based exam at authorized testing centers or online proctored (varies by region and era; exam is now retired) |
| Pre Condition: | Recommended experience with Visual Studio, .NET Framework, and Microsoft Office development (C# or VB.NET) |
| Official Syllabus URL: | https://learn.microsoft.com/en-us/credentials/certifications/ |
Microsoft 70-543 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Building User Interface Customizations | - Custom task panes and Windows Forms integration - Customizing Ribbon and Office UI components |
| Debugging and Troubleshooting VSTO Solutions | - Diagnostics and debugging Office add-ins - Handling runtime errors and compatibility issues |
| Developing Microsoft Office Solutions Using VSTO | - Creating Office add-ins and document-level customizations - Understanding Office object models and extensibility points |
| Deployment and Security of Office Solutions | - ClickOnce deployment for Office add-ins - Security model, trust levels, and permissions |
| Working with Office Applications Data | - Data binding and document-level data management - Excel, Word, and Outlook automation |
70-543 Exam Questions, Answered
Yes. A free PDF demo is available so you can review the question quality and format before you pay anything. And once you do purchase, your Microsoft TS: Visual Studio Tools for 2007 MS Office System (VTSO) material includes 365 days of free updates — if that update period expires, you can extend it later at a 50% discount from your member zone.
The 70-543 exam includes 40-60 questions, and you have 120-150 to complete them. That makes pacing a real part of the challenge. Before test day, work out roughly how much time you can afford per question, get used to flagging a hard item and coming back to it instead of burning five minutes on one answer, and run at least a couple of full timed sessions in the ValidVCE test engine so the clock feels familiar when it counts.
The official blueprint divides the Microsoft TS: Visual Studio Tools for 2007 MS Office System (VTSO) into 5 domains. The main areas include Building User Interface Customizations, Debugging and Troubleshooting VSTO Solutions, Deployment and Security of Office Solutions. Each domain breaks down into its own subtopics, so scroll up to the complete exam outline above before you plan your study schedule.
Recommended experience with Visual Studio, .NET Framework, and Microsoft Office development (C# or VB.NET) Certification vendors do adjust these requirements from time to time, so we recommend confirming the current criteria on the official exam page — official 70-543 exam information before you register.
The 70-543 exam is the official test you need to pass to earn the MCTS certification at the Professional level. Passing it validates your skills to employers, and for many IT professionals it is a direct step toward better roles and better pay. It also connects to related credentials such as Microsoft Certified Technology Specialist (MCTS): Visual Studio Tools for Office, so it is worth understanding where this exam sits on your certification path.
The passing score for the 70-543 exam is 700 (on 1000 scale), and the official registration fee is USD 165 (varies by region). One thing candidates often overlook: if you do not pass, a retake means paying that fee again in full. It is a strong argument for drilling with the 120 practice questions from ValidVCE until your mock scores sit comfortably above the bar before you book a seat.
If you take the corresponding 70-543 exam within 60 days of purchase and do not pass, you can apply for a full refund under our 100% Money Back Guarantee. Send us a scanned copy of your exam enrollment slip together with your official Score Report PDF within 2 days of taking the exam, and we will process the claim within 7 days. Please note the conditions: sitting the exam within 3 days of purchase does not qualify, the candidate name on the exam record must match the payer's name, and free materials, downloaded-but-never-taken exams, and expired orders are excluded. If you would rather not take a refund, you can exchange your order for two other exam products of equal value at no cost and keep the update service on your original purchase. Delivery itself is instant: the files are available for download right after payment and also reach your mailbox within a minute — contact our customer service team if nothing arrives within 2 hours. There is no limit on how many computers you may install the material on.
Microsoft TS: Visual Studio Tools for 2007 MS Office System (VTSO) Sample Questions:
You create a document-level solution for Microsoft Office Excel 2003 by using Visual Studio Tools for the Microsoft Office System (VSTO). The solution is frequently updated. You need to deploy the solution. You also need to ensure that users have access to previous versions of the solution. What should you do?
- A. Copy the solution to a shared folder on the local network. As changes are made, copy the updated files to the shared folder.
- B. Copy the solution to a local folder on each client computer. As changes are made, copy the updated files to the local folder.
- C. Create a setup project and build a Microsoft Windows Installer file. Run the Windows Installer file to install the solution to a shared folder. As changes are made, rebuild the Windows Installer file and reinstall the solution.
- D. Publish the solution to a shared folder. As changes are made, republish the solution to the shared folder.
Correct Answer: D 🗳️
You are creating an add-in for Microsoft Office Excel by using Visual Studio Tools for the Microsoft Office System (VSTO). You write the following lines of code. (Line numbers are included for reference only.)
01 Private ws As Excel.Worksheet = CType _
(Globals.ThisAddIn.Application.ActiveSheet, Excel.Worksheet) 02 Private rng1 As Excel.Range = ws.Range("A1", "E5") 03 Private rng2 As Excel.Range = ws.Range("D4", "J7") 04 ...
You need to change the format of the cells that overlap between rng1 and rng2 to bold.
Which code segment should you insert at line 04?
- A. rng1.Group(rng2) rng1.Font.Bold = True
- B. Dim rng3 As Excel.Range = ws.Application.Intersect(rng1, rng2) rng3.Font.Bold = True
- C. rng1.Merge(rng2) rng1.Font.Bold = True
- D. Dim rng3 As Excel.Range = ws.Application.Union(rng1, rng2) rng3.Font.Bold = True
Correct Answer: B 🗳️
You create an add-in for Microsoft Office Word 2003 by using Visual Studio Tools for the Microsoft Office System (VSTO). You install Microsoft VSTO 2005 Second Edition and Microsoft Office 2003 Professional with its default settings on computers that run Microsoft Windows XP Professional. You also install the add-in on the computers. Users report that they are unable to access the add-in. You need to configure the computers to run the add-in correctly. What should you install on the computers? (Each correct answer presents part of the solution. Choose two.)
- A. Microsoft Visual Studio 2005
- B. Microsoft .NET Framework 2.0
- C. Microsoft .NET Framework 1.1
- D. Microsoft Office 2003 Primary Interop Assemblies
Correct Answer: B,D 🗳️
You create a document-level solution for Microsoft Office Word 2003 by using Visual Studio Tools for the Microsoft Office System (VSTO). You create a user control named MyUserControl.
You write the following code segment for your document class. (Line numbers are included for reference only.)
01 private void ThisDocument_Startup(object sender,
System.EventArgs e) {
02 MyUserControl userControl = new MyUserControl();
03 ...
04 }
You need to display userControl in the actions pane.
Which code segment should you insert at line 03?
- A. this.ActionsPane.Controls.Add(userControl);
- B. this.ActionsPane.Parent.Controls.Add(userControl);
- C. this.ActionsPane.Controls.AddRange( new Control[] { userControl, new MyUserControl() });
- D. this.Controls.AddControl( userControl, 100, 100, 100, 100, "Action s Pane");
Correct Answer: A 🗳️
You are creating an add-in by using Visual Studio Tools for the Microsoft Office System (VSTO).
You write the following method. (Line numbers are included for reference only.)
01 Private Sub ExportDocumentCache ( ByVal path As String)
02 ...
03 End Sub
You need to ensure that the add-in saves each item in the document cache of a document to an independent XML file that is named for the item.
Which code segment should you insert at line 02?
- A. Dim sd As ServerDocument = New ServerDocument (path) Dim D As CachedDataHostItem = _ sd.CachedData.HostItems (" DocumentCache ") For Each CDI As CachedDataItem In D.CachedData Dim sw As StreamWriter = _ File.CreateText (path & CDI.Id & ".xml") sw.WriteLine ( CDI.Xml ) sw.Close () Next
- B. Dim sd As ServerDocument = New ServerDocument (path) For i As Integer = 1 To sd.CachedData.HostItems.Count Dim sw As StreamWriter = _ File.CreateText (path & sd.CachedData.HostItems ( i ).Id & _ ".xml") sw.WriteLine ( sd.CachedData.HostItems ( i ). _ CachedData ( i ). DataType.ToString ()) sw.Close () Next
- C. Dim sd As ServerDocument = New ServerDocument (path) Dim D As CachedDataHostItem = _ sd.CachedData.HostItems (" DocumentCache ") For Each CDI As CachedDataItem In D.CachedData Dim sw As StreamWriter = _ File.CreateText (path & CDI.Id & ".xml") sw.WriteLine ( CDI.DataType.ToString ()) sw.Close () Next
- D. Dim sd As ServerDocument = New ServerDocument (path) For i As Integer = 1 To sd.CachedData.HostItems.Count Dim sw As StreamWriter = _ File.CreateText (path & sd.CachedData.HostItems ( i ).Id & _ ".xml") sw.WriteLine ( sd.CachedData.HostItems ( i ). CachedData ( i ).Xml) sw.Close () Next
Correct Answer: A 🗳️
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