Company:  MORGAN STANLEY INSTITUTIO ... (EMAPX)
Form Type:  497
Filing Date:  1/10/2020 
CIK:  0000836487 
Address:  522 FIFTH AVENUE 
City, State, Zip:  NEW YORK, New York 10036 
Telephone:  800-548-7786 
Fiscal Year:  12/31 
Register and access this filing in:     
  FORM 497
    Investment Objective
    Fees and Expenses
      SHAREHOLDER FEES
      OPERATING EXPENSES
    Principal Investment Strategies
    Principal Risks
    Performance Information
    Fund Management
    Adviser. Morgan Stanley Investment Management Inc.
    Managing Fund
    Investment Objective
    Prior Performance of Similar Account
    Performance of the Similar Account
    Additional Information About the Fund's Investment ...
    Additional Information About the Fund's Investment ...
    Additional Information About the Fund's Investment ...
    Additional Information About the Fund's Investment ...
    Additional Information About the Fund's Investment ...
    Additional Information About the Fund's Investment ...
    Fund Management
    Portfolio Management
    Morgan Stanley Institutional Fund, Inc. Prospectus | ...
    Shareholder Information
    Morgan Stanley Institutional Fund, Inc. Prospectus | ...
    Shareholder Information (Con't)
    About Net Asset Value
    Pricing of Fund Shares
    Morgan Stanley Institutional Fund, Inc. Prospectus | ...
    Shareholder Information (Con't)
      SALES CHARGES
    Morgan Stanley Institutional Fund, Inc. Prospectus | ...
    Shareholder Information (Con't)
      SALES CHARGES
    Morgan Stanley Institutional Fund, Inc. Prospectus | ...
    Shareholder Information (Con't)
    Morgan Stanley Institutional Fund, Inc. Prospectus | ...
    Shareholder Information (Con't)
    Morgan Stanley Institutional Fund, Inc. Prospectus | ...
    Shareholder Information (Con't)
    Morgan Stanley Institutional Fund, Inc. Prospectus | ...
    Shareholder Information (Con't)
    Morgan Stanley Institutional Fund, Inc. Prospectus | ...
    Shareholder Information (Con't)
    Morgan Stanley Institutional Fund, Inc. Prospectus | ...
    Shareholder Information (Con't)
    Frequent Purchases and Redemptions of Shares
    Dividends and Distributions
    Morgan Stanley Institutional Fund, Inc. Prospectus | ...
    Shareholder Information (Con't)
    Morgan Stanley Institutional Fund, Inc. Prospectus | ...
    Shareholder Information (Con't)
    Morgan Stanley Institutional Fund, Inc. Prospectus | ...
    Financial Highlights
    Morgan Stanley Institutional Fund, Inc. Prospectus | Appendix
    Appendix A
    Morgan Stanley Institutional Fund, Inc. Prospectus | Appendix
    Appendix A (Con't)
      Morgan Stanley Wealth Management
    Morgan Stanley Institutional Fund, Inc. Prospectus | Appendix
    Appendix A (Con't)
      Where to Find Additional Information