You might have heard of the terms early start, early finish, late start and late finish. I will explain here in a very easy way to help you understand what early and late dates are.

Early Dates:

Say project start date is 1 March 2019.

I have one activity in my project. This activity can start on 1st March. So, the earliest date this activity can start is 1 March 2019. This is its early start date. Now, say duration of this activity is 10 days. So if this activity starts on 1 March 2019, the earliest it can finish is 10 March 2019. This is its early finish date.

Late Dates:

Say my project's end date (deadline) is 30 March 2019.

I have one activity in my project. Duration of this activity is 10 days. Now, the latest date this activity can finish is 30 March. This is its late finish date. If this activity was to finish on 30 March, having 10 days of duration, so the latest date this activity will start is 20 March. This is its late start date.

I hope you understood now the difference between early and late dates in schedule.

Late dates are usually not used. Someone might just look at the late date information, in case there is an activity he wants to start as late as possible in the project and also finish as late as possible.

If you are using Primavera P6, you can add columns early start, early finish, late start, late finish to see this information.

Both, the Primavera PPM and Primavera EPPM are meant to be used in different environments. Although both share most of their functionalities, each of these software applications have their own use. Let's find out when PPM is preferred and when EPPM may be more suitable.

Uses and Benefits of Primavera P6 EPPM

The EPPM is most suitable when:

1. You have casual scheduling needs.

2. You want to manage programs and portfolios of projects, at a larger level.

3. You want access to your projects data online from anywhere

4. You want to have a centralized resource dictionary for use by all schedulers.

5. You want to manage project risks, issues and documents

6. You want to create reporting dashboards.

Uses and Benefits of Primavera P6 PPM

Also known as Primavera Professional, it is a most commonly used Primavera software. It is most suitable in environments when:

1. You want a tool to update, review, create and analyze project data every day.

2. You want to do basic to advanced or complex level scheduling work.

3. You want a fast and efficient scheduling tool.

4. You want to work with projects offline.

5. You want quick conversions between Primavera/Excel/Project

Further readings recommended for you.

1. Functionalities in Primavera PPM, Not Present in EPPM

2. Functionalities in Primavera EPPM, Not Present in PPM

What is Reflection Project in Primavera P6?

Reflection project is a copy of a project that you can make by right-clicking on a project and selecting 'Create reflection project'. However, this copy of the project is not a normal copy of the project but it has another use, too.

When you create a reflection project, you can open it and make any changes in it. Once you make changes in it, you can merge these changes into the source project (the original project). To merge the changes into the original project, simply right-click on the reflection project and select option 'merge reflection into source project'. 

A reflection project can be useful if you want to carefully make changes in the project and are worried that if the changes are made incorrectly, these may disturb whole your project. So, you create a reflection project and make the required changes in it only. And if you are satisfied with these changes, you can simply just merge those changes into the original project.

This was the Reflection Project feature in Primavera. Hope you found this information useful.

Primavera PPM vs EPPM

Are you planning to purchase or use Primavera but could not decide which one to choose - Primavera PPM or Primavera EPPM? Worry not and find below the core difference between the two forms of Primavera and also learn what functionalities each one has that the other lacks.

Primavera EPPM

This form of Primavera provides an environment for team collaboration, visibility to the latest performance and transparency down to the lowest level of detail.

So, Primavera P6 EPPM is a great solution for dispersed project teams that supports a variety of roles from the most casual to providing a repository for the most detailed.

Find out what functionalities are present in EEPM that are not in PPM, here.

Primavera PPM

Primavera PPM, also known as Primavera Professional provides best in class functionality that professional schedulers expect from any mature scheduling software.

So, if you need to plan your project work in maximum detail, you need PPM. You can not do hard-core scheduling and with most efficient manner with EPPM. However, when PPM is linked to EPPM, you get the best of the both applications.

To find out more about functionality in Primavera PPM that is not present in Primavera EEPM, read this page.

Further recommended reading for you:  Best Application Environments for Primavera PPM and Primavera EPPM

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