See FAQ #2 at https://accountants-community.intuit.com/articles/1749499-ty18-lacerte-security-enhancements-and-res...

How do I know if I have other 3rd party programs that connect with Lacerte? 

• Programs that connect with Lacerte have the ability to add, read, or modify data in Lacerte.  These programs may be commercially bought or developed in-house.  For example, if you have software that does any of these functions:
  • Updates or synchronizes client contact information such as Practice Management or Document Management software
  • Creates reports of tax data from Lacerte
  • Stores documents associated with client information
  • Creates clients in Lacerte
  • Reads or updates tax data such as depreciation or trial balance
• You do not need to add the following types of software:
  • Intuit software such as DMS, EasyACCT, Quickbooks, or any built-in features in Lacerte
  • PDF software such as Adobe or Fox-it
  • Office software such as Microsoft Word, Excel, and Outlook
  • Remote access software such as LogMeIn or Citrix
  • Cloud file storage software such as DropBox or OneDrive
  • Electronic Signature software such as Adobe or Docusign
• Consult your IT professional if you are not sure.