https://powerofus.force.com/s/article/PMM-Overview
https://trailhead.salesforce.com/en/content/learn/modules/program-management-with-nonprofit-cloud/manage-nonprofit-programs-with-salesforce?trail_id=manage-programs-with-nonprofit-cloud To meet the reporting requirements of a new grant that expects services to be segmented according to location, the nonprofit should use the Program Cohort object. The Program Cohort object allows tracking and reporting of services provided in specific locations, making it possible to generate detailed reports that meet funder requirements.
Steps:
Configure the Program Management Module to include the necessary fields for tracking service locations within the Program Cohort object.
Ensure that all relevant data is accurately entered into the Program Cohort records, including location details.
Create custom reports and dashboards that segment services based on the location data stored in the Program Cohort object.
Regularly review and update the data to ensure accurate and up-to-date reporting for the funder.
CertGod Nonprofit Cloud Consultant Guide: Discusses the use of Program Cohorts for detailed tracking and reporting of services.
Salesforce Documentation on Program Management Module: Provides information on the functionality and use of Program Cohorts.

https://sites.google.com/a/cloud4good.com/salesforce-glossary/home/npsp-user-manual/chapter-4-entering-data/npsp-data-importer-tool When migrating data from a legacy donor management database, the NPSP Data Importer is the recommended tool for loading donor contact information, donation history, and payment information into Salesforce. Here's why:
NPSP Data Importer:
The NPSP Data Importer is specifically designed for nonprofits using the Nonprofit Success Pack (NPSP).
It supports importing multiple related records (Contacts, Accounts, Opportunities, Payments) in a single file, making it ideal for comprehensive data migration.
The tool provides mapping capabilities to ensure that fields in the import file are correctly mapped to Salesforce fields.
It includes features to handle common nonprofit data structures such as household accounts, affiliations, and recurring donations.
Using NPSP Data Importer minimizes the risk of data discrepancies and ensures that all related records are correctly created and linked.
Salesforce documentation on NPSP Data Importer: NPSP Data Importer

When migrating historic donation records into a nonprofit's Salesforce org where many of these donations were paid in multiple installments, it is important to ensure that the Payments are correctly matched to the Opportunities. The correct approach involves using the "Do Not Automatically Create Payment" field:
Check the Do Not Automatically Create Payment Field:
When importing historic donations, check the "Do Not Automatically Create Payment" field on the Opportunities.
This prevents Salesforce from automatically creating Payments for these Opportunities, which allows you to manually enter the correct Payments that match the historic installment records.
Manually Create Payments:
After importing the Opportunities with the "Do Not Automatically Create Payment" field checked, manually create Payment records that correspond to each installment.
Ensure each Payment is correctly associated with the corresponding Opportunity.
Validation:
Validate the imported data to ensure all Payments are correctly matched with the Opportunities.
This method ensures that the historic donation records with multiple installments are accurately represented in Salesforce.
Salesforce Nonprofit Success Pack (NPSP) Documentation: Managing Payments and Opportunities.
Salesforce Help: Data Import Guidelines.

To allow prospective volunteers to fill out their volunteer application online:
Set up the Volunteers for Salesforce Volunteer Signup Form: This form can be embedded on the nonprofit's website, allowing prospective volunteers to submit their information directly into Salesforce.
This approach leverages the existing Volunteers for Salesforce functionality, making it easy to capture and manage volunteer applications.
Salesforce Volunteers for Salesforce Documentation
Salesforce Trailhead: Setting Up Volunteers for Salesforce

When using the NPSP Data Importer to upload data that contains payments on existing opportunities, and matching donations to existing records, the following updates may occur:
A Payment Will Be Added to the Opportunity:
When a gift is successfully matched to an existing Opportunity, a Payment record is created and associated with the Opportunity.
This reflects the new donation and updates the financial records accordingly.
The Opportunity Amount Will Include the New Payment Amount:
The total amount on the Opportunity will be updated to reflect the sum of the original amount and the new payment amount.
This ensures that the Opportunity accurately represents the total donations received.
These updates help maintain accurate and up-to-date financial records within Salesforce, reflecting all contributions accurately.
Salesforce NPSP Documentation: NPSP Data Importer
Salesforce Trailhead: Manage Donations with NPSP