In a business that involves inventory management, there might be a large Excel sheet that lists all the inventory items. Sometimes, items might be entered more than once by mistake. In such cases, highlighting duplicates can help identify and rectify these errors.

Data analysts often deal with large datasets. These datasets might contain duplicate entries that can skew the analysis results. Therefore, analysts often need to highlight duplicates to clean the data before proceeding with their analysis.

Sales teams often maintain Excel sheets to track sales data. Sometimes, sales transactions might be recorded more than once, leading to incorrect sales figures. Highlighting duplicates can help identify these errors.

In employee scheduling, it is important to ensure that no employee is scheduled for two shifts at the same time. Highlighting duplicates in the schedule can help identify any such conflicts.

For educational institutions, it's crucial to accurately track student enrollment. Sometimes, a student might be enrolled in the same course twice by mistake. Highlighting duplicates can help spot and correct these errors.

During financial auditing, auditors need to ensure that all transactions are recorded correctly. If a transaction is recorded twice, it can lead to significant discrepancies. Highlighting duplicates can help auditors identify such issues.

In customer relationship management, having duplicate customer records can lead to confusion and miscommunication. Highlighting duplicates in the customer database can help identify and merge these duplicate records.

Project managers often use Excel to track tasks and milestones. If a task is listed twice, it can lead to confusion and misallocation of resources. Highlighting duplicates can help ensure that all tasks are unique and correctly assigned.