To preserve attachments and folder structure when converting OLM to PST, a professional tool like SameTools to Convert OLM to PST is a must. The data integrity of user OLM files is kept intact during conversion by this software. All files, embedded items, metadata, and email properties are also kept unchanged. This tool preserves the original folder structure, so the structure of their mailboxes in PST and OLM are identical. Advanced features let users move email, contacts, calendars, and tasks without losing data or layout. Additionally, ensures easy operation on all versions of Windows and Outlook, whether users are using the most recent update or an older one.