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ProSeries file types

SOLVEDby IntuitDocument Management System7Updated January 28, 2022

This article briefly explains the most common file extensions used by ProSeries to store information.

ProSeries client file types:

Form TypeGeneral ProSeries File Extension Example using TY20Name of HomeBase view Usable by 
1040YYi20iForm 1040: IndividualBasic/Professional
1040NRYYf20fForm 1040NR: NonresidentProfessional
1041YYe20eForm 1041: Estates/TrustsProfessional
1065YYp20pForm 1065: PartnershipsProfessional
1120YYc20cForm 1120: CorporationsProfessional
1120SYYs20sForm 1120S: S CorpsProfessional
706YYr20rForm 706: EstatesProfessional
709YYg20gForm 709: GiftsProfessional
990YYn20nForm 990: Tax-Exempt OrgsProfessional
ORGYYo20oOrganizer for 1040Professional
ProSeries File ExtensionTypeMore InformationDefault Directory
jn1JournalContains location of client file for network installations only in ProSeries 2019 and prior.YYData
tmpTemporaryContains information caused by software terminating unexpectedly.YYData
lckLockStores access permissions to a file or feature.YYData; Common
cdx, dbf, ddf, lst, mbfHomeBaseStores data for HomeBase views and their corresponding fields.HomeBase
pmdProSeries Basic HomeBaseStores data for the ProSeries Basic HomeBase views and their corresponding fields (from tax year 2015 to 2020)YYData (Ex. 18Data)
blb, dat, idxDMSStores data including folder structure, client information, and client files.Open DMS and view Current Database Path
3us, 3uc, 3upFAMFixed Asset Manager import files. 
invInvoiceClient invoice files.Common 
invUpdateContains module versions for update purposes. Updates
dggn, hefsFormsContains module versions for update purposes.Forms 
ltr, rtfLettersContains letters and custom letters.Common 
lytModulesContains module code references for updating and installing.BasWinYY; ProWinYY; ProSeriesProNetYY_AutoDL20YY_Core 

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