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SAP Transaction OB78: A Step-by-Step Guide for SAP Users

SAP Transaction OB78: A Step-by-Step Guide for SAP Users

Welcome to our tutorial on SAP transaction OB78, a crucial transaction code used in SAP Financials (FI) module. In this tutorial, we will provide you with a detailed step-by-step guide on how to effectively utilize OB78 for maintaining posting periods in your SAP system. Whether you are a beginner SAP user or an experienced consultant, this tutorial will equip you with the necessary knowledge to handle posting periods seamlessly.

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Now, let’s begin our tutorial on using SAP transaction OB78.

What is SAP Transaction OB78?

SAP Transaction OB78 (Maintain Posting Periods) is a key transaction code used in SAP FI to define and maintain posting periods for various financial accounting activities. It allows users to specify the start and end dates of each posting period, ensuring accurate and controlled financial data entry and reporting. With OB78, you can manage the availability of posting periods, preventing unauthorized postings and ensuring compliance with accounting regulations.

Step 1: Accessing SAP Transaction OB78

To start using OB78, follow these steps:

  1. Login to your SAP system using your user ID and password.
  2. Launch the SAP Easy Access Menu.
  3. Navigate to the “Accounting” folder and expand it.
  4. Locate and click on the “Financial Accounting” folder.
  5. From the sub-menu, select “Financial Accounting Global Settings”.
  6. Next, choose “Document” and click on “Posting Periods” to proceed to the OB78 transaction.

Step 2: Understanding OB78 Transaction Screen

Once you have accessed OB78, you will encounter the OB78 transaction screen, which consists of various fields and tabs. Let’s explore each of them:

  • Company Code: This field allows you to select the company code for which you want to maintain posting periods.
  • Variant: Here, you can choose a variant that determines the set of posting periods to be maintained. Variants allow you to define different sets of posting periods for different purposes, such as regular periods, special periods, or industry-specific periods.
  • Posting Periods: This tab displays the list of posting periods for the selected company code and variant. Each period is represented by a combination of year and period, and it indicates whether the period is open or closed for postings.
  • Period Control: The period control tab provides an overview of the posting period control settings for the selected variant. It shows the allowed posting periods and their status, such as whether they are open, closed, or blocked for postings.

Step 3: Maintaining Posting Periods with OB78

To maintain the posting periods using OB78, follow these steps:

  1. Start by selecting the appropriate company code and variant using the respective fields in the header section of the OB78 screen.
  2. Click on the “Posting Periods” tab to view the list of existing posting periods.
  3. To create a new posting period, click on the “New Entries” button.
  4. Enter the desired year and period combination for the new posting period.
  5. Specify the start and end dates for the posting period.
  6. Choose the status of the period, such as whether it should be open, closed, or blocked for postings.
  7. Repeat steps 3 to 6 for each posting period you want to maintain.
  8. Once you have entered all the necessary information, click on the “Save” button to save the changes.

Congratulations! You have successfully maintained the posting periods using SAP transaction OB78.

Step 4: Exploring Additional Functionality

SAP transaction OB78 offers various additional functionalities to streamline your financial accounting processes. Here are some notable features you can leverage:

  • Change Posting Periods: OB78 allows you to modify existing posting periods. You can edit fields such as start date, end date, or status. Simply select the desired period and make the necessary changes.
  • Copy Posting Periods: You can use OB78 to copy posting periods from one variant to another. This feature saves time and effort when you need to maintain similar posting periods for different company codes or purposes.
  • Transport Posting Periods: OB78 supports the transport of posting periods between different systems or clients. This ensures consistency in posting period settings across multiple SAP environments.
  • Display Posting Periods: Use OB78 to display existing posting periods by selecting the desired year and period combination. This allows you to review the settings and status of each period.


In this tutorial, we have provided you with a comprehensive guide on using SAP transaction OB78 in the SAP FI module. We covered the basics of OB78, explained how to maintain posting periods, and explored additional functionalities. Remember, continuous learning and practice are key to becoming proficient in SAP FI.

To further enhance your skills in SAP FI, we highly recommend our SAP MM online video training, designed by our expert SAP MM consultant. This training program offers comprehensive modules and hands-on exercises to help you become an SAP MM expert. Visit roadtoexpert.com to learn more and take your SAP MM skills to new heights.

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