What document format can be imported into Mimecast for uploading user accounts?

The appropriate document format for importing user accounts into Mimecast is .CSV. This format is widely used for handling tabular data and is particularly advantageous for transferring large datasets, such as user accounts, into various applications.

CSV files are simple text files that contain data separated by commas, making them easy to generate and manipulate with spreadsheet programs. This format is directly compatible with Mimecast's bulk user import functionality, allowing organizations to efficiently onboard multiple users at once by providing the necessary details, such as usernames, email addresses, and other account settings in a structured format.

In comparison, while .XLS (Excel spreadsheet), .XML (extensible markup language), and .PDF (portable document format) can handle data, they are not inherently designed for bulk user uploads in the Mimecast context. XLS files are specific to Microsoft Excel and may involve additional formatting considerations, XML is more complex and is typically used for data interchange between systems rather than direct uploads, and PDF is a fixed-format document meant for viewing and is not suitable for data import tasks.