Spreadsheets are often used for collaborative and communicative purposes, such as sharing information, collecting feedback, or coordinating projects. However, working with others on spreadsheets can also pose some challenges, such as version control, access rights, or data security. To optimize your spreadsheet software for collaboration and sharing, you should opt for cloud-based or online spreadsheet software, like Google Sheets or Microsoft Excel Online, to enable real-time editing and syncing. You should also use comments, notes, or chat features to communicate with your team members or stakeholders and track changes, revision history, or audit trail features to monitor and manage the changes made to your spreadsheets. Additionally, you should consider using sharing, embedding, or publishing options to distribute or display your spreadsheets to your intended audience or platform and encryption, password, or permission features to protect your spreadsheets from unauthorized access or modification.