How can you ensure data security in your spreadsheets?

1 Encrypt your files

One of the simplest ways to protect your spreadsheets from prying eyes is to encrypt them with a password. Encryption scrambles the data in your files so that only those who have the password can open and edit them. You can use the built-in encryption features of your spreadsheet software, such as Excel or Google Sheets, or use a third-party tool to encrypt your files. Make sure you choose a strong password and store it securely.

2 Limit access and sharing

Another way to ensure data security in your spreadsheets is to limit who can access and share them. You can use the permissions settings of your spreadsheet software or your cloud storage service to control who can view, edit, or download your files. You can also use the sharing options to send links to your files instead of attaching them to emails or messages. This way, you can revoke access or change permissions at any time. Be careful not to share your files with unknown or untrusted parties.

3 Use data validation and protection

Data validation and protection are features that allow you to restrict the type and range of data that can be entered or modified in your spreadsheets. Data validation helps you prevent errors and inconsistencies by setting rules and criteria for the input data, such as numbers, dates, or lists. Data protection helps you lock cells, rows, columns, or sheets from being changed or deleted by others. You can use these features to ensure data quality and integrity in your spreadsheets.

6 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?