Company:  MFS SERIES TRUST VIII (MFIIX)
Form Type:  N-CSRS
Filing Date:  6/23/2022 
CIK:  0000819673 
Address:  111 HUNTINGTON AVENUE
21ST FLOOR 
City, State, Zip:  BOSTON, Massachusetts 02119 
Telephone:  18006372929 
Fiscal Year:  10/31 
Register and access this filing in:     
  FORM N-CSRS
    ITEM 1. REPORTS TO STOCKHOLDERS.
      FINANCIAL STATEMENTS
        ASSETS AND LIABILITIES
      PORTFOLIO OF INVESTMENTS
      PORTFOLIO OF INVESTMENTS
      Financial Statements
        ASSETS AND LIABILITIES
        STATEMENT OF OPERATIONS
        STATEMENT OF CHANGES IN NET ASSETS
        FINANCIAL HIGHLIGHTS TABLE
        FINANCIAL HIGHLIGHTS TABLE
        FINANCIAL HIGHLIGHTS TABLE
        FINANCIAL HIGHLIGHTS TABLE
        FINANCIAL HIGHLIGHTS TABLE
        FINANCIAL HIGHLIGHTS TABLE
        FINANCIAL HIGHLIGHTS TABLE
        FINANCIAL HIGHLIGHTS TABLE
        FINANCIAL HIGHLIGHTS TABLE
        Notes to Financial Statements
        ASSETS AND LIABILITIES
      PORTFOLIO OF INVESTMENTS
      PORTFOLIO OF INVESTMENTS
      FINANCIAL STATEMENTS
        ASSETS AND LIABILITIES
        STATEMENT OF OPERATIONS
        STATEMENT OF CHANGES IN NET ASSETS
        FINANCIAL HIGHLIGHTS TABLE
        FINANCIAL HIGHLIGHTS TABLE
        FINANCIAL HIGHLIGHTS TABLE
        FINANCIAL HIGHLIGHTS TABLE
        FINANCIAL HIGHLIGHTS TABLE
        Notes to Financial Statements
        STATEMENT OF OPERATIONS
        STATEMENT OF OPERATIONS
        STATEMENT OF CHANGES IN NET ASSETS
    ITEM 2. CODE OF ETHICS.
    ITEM 3. AUDIT COMMITTEE FINANCIAL EXPERT.
    ITEM 4. PRINCIPAL ACCOUNTANT FEES AND SERVICES.
    ITEM 5. AUDIT COMMITTEE OF LISTED REGISTRANTS.
    ITEM 7. DISCLOSURE OF PROXY VOTING POLICIES AND PROCEDURES FOR
    ITEM 11. CONTROLS AND PROCEDURES.
    SIGNATURES
  EXHIBIT 99.CERT
  EXHIBIT 99.906CERT


EDGAR® and SEC® are trademarks of the U.S. Securities and Exchange Commission. OTC Markets Group Inc.'s products and services are not affiliated with or approved by the U.S. Securities and Exchange Commission.