<SEC-DOCUMENT>0001133228-19-005773-index.html : 20190926
<SEC-HEADER>0001133228-19-005773.hdr.sgml : 20190926
<ACCEPTANCE-DATETIME>20190926115424
ACCESSION NUMBER:		0001133228-19-005773
CONFORMED SUBMISSION TYPE:	485BPOS
PUBLIC DOCUMENT COUNT:		8
FILED AS OF DATE:		20190926
DATE AS OF CHANGE:		20190926
EFFECTIVENESS DATE:		20190926

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Morgan Stanley Insight Fund
		CENTRAL INDEX KEY:			0001002427
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1130

	FILING VALUES:
		FORM TYPE:		485BPOS
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	033-63685
		FILM NUMBER:		191116597

	BUSINESS ADDRESS:	
		STREET 1:		C/O MORGAN STANLEY
		STREET 2:		522 FIFTH AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036
		BUSINESS PHONE:		800-548-7786

	MAIL ADDRESS:	
		STREET 1:		C/O MORGAN STANLEY
		STREET 2:		522 FIFTH AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MORGAN STANLEY MULTI CAP GROWTH TRUST
		DATE OF NAME CHANGE:	20110331

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MORGAN STANLEY CAPITAL OPPORTUNITIES TRUST
		DATE OF NAME CHANGE:	20020129

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MORGAN STANLEY MID CAP EQUITY TRUST
		DATE OF NAME CHANGE:	20010618

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Morgan Stanley Insight Fund
		CENTRAL INDEX KEY:			0001002427
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1130

	FILING VALUES:
		FORM TYPE:		485BPOS
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-07377
		FILM NUMBER:		191116596

	BUSINESS ADDRESS:	
		STREET 1:		C/O MORGAN STANLEY
		STREET 2:		522 FIFTH AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036
		BUSINESS PHONE:		800-548-7786

	MAIL ADDRESS:	
		STREET 1:		C/O MORGAN STANLEY
		STREET 2:		522 FIFTH AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MORGAN STANLEY MULTI CAP GROWTH TRUST
		DATE OF NAME CHANGE:	20110331

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MORGAN STANLEY CAPITAL OPPORTUNITIES TRUST
		DATE OF NAME CHANGE:	20020129

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MORGAN STANLEY MID CAP EQUITY TRUST
		DATE OF NAME CHANGE:	20010618
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<NEW-SERIES-AND-CLASSES-CONTRACTS>
<OWNER-CIK>0001002427
<NEW-CLASSES-CONTRACTS>
<SERIES-ID>S000002337
<SERIES-NAME>Morgan Stanley Insight Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000216311
<CLASS-CONTRACT-NAME>Class IR
</CLASS-CONTRACT>
</NEW-CLASSES-CONTRACTS>
</NEW-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>485BPOS
<SEQUENCE>1
<FILENAME>msif-html1618_485bpos.htm
<DESCRIPTION>485BPOS
<TEXT>
Document 1 - file: msif-html1618_485bpos.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(I)(5)
<SEQUENCE>2
<FILENAME>msif-html1618_ex99i5.htm
<DESCRIPTION>CONSENT OF DECHERT LLP
<TEXT>
Document 2 - file: msif-html1618_ex99i5.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(J)
<SEQUENCE>3
<FILENAME>msif-html1618_ex99j.htm
<DESCRIPTION>CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
<TEXT>
Document 3 - file: msif-html1618_ex99j.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>pr14809img001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: pr14809img001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>pr14809img002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: pr14809img002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>pr14809img003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: pr14809img003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>sa14811img001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: sa14811img001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>image_001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: image_001.jpg

</DOCUMENT>
</SEC-DOCUMENT>