<SEC-DOCUMENT>0001193125-20-143778-index.html : 20200515
<SEC-HEADER>0001193125-20-143778.hdr.sgml : 20200515
<ACCEPTANCE-DATETIME>20200515141947
ACCESSION NUMBER:		0001193125-20-143778
CONFORMED SUBMISSION TYPE:	485BPOS
PUBLIC DOCUMENT COUNT:		16
FILED AS OF DATE:		20200515
DATE AS OF CHANGE:		20200515
EFFECTIVENESS DATE:		20200515

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COLUMBIA FUNDS SERIES TRUST I
		CENTRAL INDEX KEY:			0000773757
		IRS NUMBER:				363376651
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		485BPOS
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	002-99356
		FILM NUMBER:		20883850

	BUSINESS ADDRESS:	
		STREET 1:		225 FRANKLIN STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		800-345-6611

	MAIL ADDRESS:	
		STREET 1:		225 FRANKLIN STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COLUMBIA FUNDS TRUST IX
		DATE OF NAME CHANGE:	20031107

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LIBERTY STEIN ROE FUNDS MUNICIPAL TRUST
		DATE OF NAME CHANGE:	19991025

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	STEINROE MUNICIPAL TRUST
		DATE OF NAME CHANGE:	19920703

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COLUMBIA FUNDS SERIES TRUST I
		CENTRAL INDEX KEY:			0000773757
		IRS NUMBER:				363376651
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		485BPOS
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-04367
		FILM NUMBER:		20883851

	BUSINESS ADDRESS:	
		STREET 1:		225 FRANKLIN STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		800-345-6611

	MAIL ADDRESS:	
		STREET 1:		225 FRANKLIN STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COLUMBIA FUNDS TRUST IX
		DATE OF NAME CHANGE:	20031107

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LIBERTY STEIN ROE FUNDS MUNICIPAL TRUST
		DATE OF NAME CHANGE:	19991025

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	STEINROE MUNICIPAL TRUST
		DATE OF NAME CHANGE:	19920703
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0000773757
<SERIES-ID>S000012072
<SERIES-NAME>Columbia Real Estate Equity Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032863
<CLASS-CONTRACT-NAME>Columbia Real Estate Equity Fund Class A
<CLASS-CONTRACT-TICKER-SYMBOL>CREAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032865
<CLASS-CONTRACT-NAME>Columbia Real Estate Equity Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>CRECX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000032867
<CLASS-CONTRACT-NAME>Columbia Real Estate Equity Fund Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>CREEX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000094672
<CLASS-CONTRACT-NAME>Columbia Real Estate Equity Fund Class R
<CLASS-CONTRACT-TICKER-SYMBOL>CRSRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000094674
<CLASS-CONTRACT-NAME>Columbia Real Estate Equity Fund Institutional 2 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CRRVX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000122663
<CLASS-CONTRACT-NAME>Columbia Real Estate Equity Fund Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>CRERX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000171305
<CLASS-CONTRACT-NAME>Columbia Real Estate Equity Fund Institutional 3 Class
<CLASS-CONTRACT-TICKER-SYMBOL>CREYX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>485BPOS
<SEQUENCE>1
<FILENAME>d916876d485bpos.htm
<DESCRIPTION>COLUMBIA FUNDS SERIES TRUST I
<TEXT>
Document 1 - file: d916876d485bpos.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.INS <SEQUENCE>2 <FILENAME>cfsti-20200427.xml <DESCRIPTION>XBRL INSTANCE DOCUMENT <TEXT> Document 2 - file: cfsti-20200427.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.SCH <SEQUENCE>3 <FILENAME>cfsti-20200427.xsd <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA <TEXT> Document 3 - file: cfsti-20200427.xsd
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.CAL <SEQUENCE>4 <FILENAME>cfsti-20200427_cal.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION CALCULATION LINKBASE <TEXT> Document 4 - file: cfsti-20200427_cal.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.DEF <SEQUENCE>5 <FILENAME>cfsti-20200427_def.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE <TEXT> Document 5 - file: cfsti-20200427_def.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.LAB <SEQUENCE>6 <FILENAME>cfsti-20200427_lab.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE <TEXT> Document 6 - file: cfsti-20200427_lab.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.PRE <SEQUENCE>7 <FILENAME>cfsti-20200427_pre.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE <TEXT> Document 7 - file: cfsti-20200427_pre.xml
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>BarChart1.png <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 9 - file: BarChart1.png
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Document 10 - RAW XML: FilingSummary.xml
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>11 <FILENAME>R2.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 11 - file: R2.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>12 <FILENAME>R9.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 12 - file: R9.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>13 <FILENAME>R1.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 13 - file: R1.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>14 <FILENAME>report.css <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 14 - file: report.css
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</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>16 <FILENAME>R10.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 16 - file: R10.htm
</DOCUMENT> <DOCUMENT> <TYPE>ZIP <SEQUENCE>17 <FILENAME>0001193125-20-143778-xbrl.zip <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 17 - file: 0001193125-20-143778-xbrl.zip
</DOCUMENT> </SEC-DOCUMENT>