'--------------------------------------------------------------------------------------- 
' Procedure : CloseAllOpenTables 
' Author    : Daniel Pineault, CARDA Consultants Inc. 
' Website   : http://www.cardaconsultants.com 
' Purpose   : Close all the currently open Tables in the database 
' Copyright : The following is release as Attribution-ShareAlike 4.0 International 
'             (CC BY-SA 4.0) - https://creativecommons.org/licenses/by-sa/4.0/ 
' Req'd Refs: None required 
' 
' Usage: 
' ~~~~~~ 
' ? CloseAllOpenTables 
'   Returns -> True     => Closed all Tables successfully 
'              False    => A problem occurred 
'
' Revision History: 
' Rev       Date(yyyy/mm/dd)        Description 
' ************************************************************************************** 
' 1         2015-02-17              Initial Release 
' 2         2023-02-09              Update variable naming, Error handler, copyright 
'--------------------------------------------------------------------------------------- 
Function CloseAllOpenTables() As Boolean 
    On Error GoTo Error_Handler 
    Dim oTbls                 As Object 
    Dim oTbl                  As Access.AccessObject 
 
    Set oTbls = CurrentData.AllTables 
 
    For Each oTbl In oTbls    'Loop all the tables 
        If oTbl.IsLoaded = True Then    'check if it is open 
            DoCmd.Close acTable, oTbl.Name, acSaveNo 
        End If 
    Next oTbl 
 
    CloseAllOpenTables = True 
 
Error_Handler_Exit: 
    On Error Resume Next 
    Set oTbl = Nothing 
    Set oTbls = Nothing 
    Exit Function 
 
Error_Handler: 
    MsgBox "The following error has occurred" & vbCrLf & vbCrLf & _ 
           "Error Source: CloseAllOpenTables" & vbCrLf & _ 
           "Error Number: " & Err.Number & vbCrLf & _ 
           "Error Description: " & Err.Description & _  
           Switch(Erl = 0, "", Erl <> 0, vbCrLf & "Line No: " & Erl) _ 
           , vbOKOnly + vbCritical, "An Error has Occurred!" 
 
   Resume Error_Handler_Exit 
End Function 

Call CloseAllOpenTables

If CloseAllOpenTables = True Then 
    '... 
End If