Back to ArticlesBack

Join 50,000+ PM Professionals

Get expert PM insights, PMP prep tips, and earn PDUs with exclusive content delivered weekly.

Protected by reCAPTCHA: Privacy & Terms

MPUG - Master Project User GroupMPUG - Master Project User Group

1. At ProjectPro, we created a guideline that we call the 1%-10% rule. The duration of any lowest-level task should be between a minimum and maximum duration. The minimum duration is 1% of the project duration. The maximum is 10% of the project duration. There are some exceptions the rule. We recommend you do not apply it to the following items: Summary tasks, overhead tasks, recurring detail tasks, milestones, and tasks in high-level schedules that are only created to estimate duration and cost of the whole project in order to gain approval for the project.

2. Capture out-of-scope elements in a note on the project summary task (ribbon Format, check the Project Summary Task box) using the Notes tool (Task ribbon). We recommend paying careful attention to clarifying what is in-scope and out-of-scope to manage the expectations of your client carefully and early in the life of the project. Creating a detailed WBS and list of out-of-scope deliverables with your client’s agreement ensures that you have had a veritable meeting of the mines with the client, the essence of a contract.

3. Executives and clients tend to get too nervous when you do not give them enough visibility into your project. You need to give them opportunities to make a difference. If executives or clients do not have enough visibility into your project, they will come and get the information they need. They may come into your office and start directing you, which is known as micro-managing. You can prevent most micro-managing by simply providing enough detail,

This article originally appeared as content in Forecast Scheduling with Microsoft Project 2013: Best Practices for Real World Projects, by Eric Uyttewaal.

Get Weekly PM Insights

Join 50,000+ PMs receiving updates on the latest PM methodologies, PDU opportunities, tool reviews, career tips, and member exclusives.

Protected by reCAPTCHA: Privacy & Terms

PMI ATP
PMI Authorized Training Partner
REP #4082

Learning Paths

PMP® TrainingCAPM® TrainingPgMP® TrainingPMI-ACP® TrainingMS ProjectMS PlannerMS TeamsJira

PM Resources

PDU TrackerLive WebinarsSalary CalculatorTool ComparisonsJob BoardKnowledge BasePM Glossary

Community

Discussion ForumStudy GroupsEvents Calendar

Follow Us

LinkedInYouTubeTwitterFacebook
MPUG Logo

© 2026 MPUG. All rights reserved.

TermsPrivacySitemapAdvertise
Articles

3 Tips on Managing Projects and Clients

1. At ProjectPro, we created a guideline that we call the 1%-10% rule. The duration of any lowest-level task should be between a minimum and maximum duration. The minimum duration […]

2 min read
•almost 11 years ago•Updated 6 months ago•
E
Eric UyttewaalAuthor
Project Management
Microsoft Project
Best Practices
Productivity
E
Eric Uyttewaal

Content Writer

Eric is a thought leader on project, program, and portfolio management. He spends most of his time using software from Microsoft. He has authored seven well-known textbooks including ‘Forecasting Programs,’ 'Forecast Scheduling with Microsoft Project 2010/2013/Online,’ and ‘Dynamic Scheduling with Microsoft Project 2000/2002/2003.’ He founded ProjectPro, which specializes in Microsoft Project, Project Server and Project Online. Eric developed several Add-ins with his team that enhance the capabilities of Microsoft Project in creating better schedules (Forecast Scheduling App), managing cross-project dependencies (CrossLinksPro), identifying and documenting the Critical Path (PathsPro) and creating S-curve reports (CurvesPro). He was president of PMI-Ottawa in 1997. Eric has received awards from PMI in 2009, from MPUG in 2012, and from Microsoft from 2010 until 2017 (MVP).

View all articles by Eric Uyttewaal
Related Content

Continue Reading

Discover more insights and articles that complement your current reading

Why the End of Project Online Might Be the Best Thing for Your Team
Articles
1 min read

Why the End of Project Online Might Be the Best Thing for Your Team

Project Online retires September 30, 2026, and Eric and Jeff Christoph make the case that the smartest move is a complete desktop project-controls environment, not a one-for-one swap.

A
Anonymous
9 days ago
Read
The Catch-22 Project: Why Some Projects Fail Before They Ever Begin
Articles
1 min read

The Catch-22 Project: Why Some Projects Fail Before They Ever Begin

Learn to spot a Catch-22 project, where contradictory requirements make progress impossible, and how to reframe the structure so your team can move forward.

A
Anonymous
9 days ago
Read
Maintaining the Human Element of Leadership in a Technological World
Articles
1 min read

Maintaining the Human Element of Leadership in a Technological World

Learn how leaders can maintain humanity in technology-driven workplaces through emotional intelligence, role clarity, psychological safety, and meaningful recognition.

A
Anonymous
about 1 month ago
Read
Explore All Articles