Bring the whole tithe into the treasure-house, that there may be food in my house, and prove me now herewith, saith Jehovah of hosts, if I open not to you the windows of the heavens, and pour you out a blessing, till there be no place for it.
Malachi 3:8 Will a man rob God? But ye rob me. And ye say, Wherein do we rob thee? [In] tithes and heave-offerings.
Malachi 3:9 Ye are cursed with a curse; and me ye rob, [even] this whole nation.
Malachi 3:10 Bring the whole tithe into the treasure-house, that there may be food in my house, and prove me now herewith, saith Jehovah of hosts, if I open not to you the windows of the heavens, and pour you out a blessing, till there be no place for it.
Malachi 3:11 And I will rebuke the devourer for your sakes, and he shall not destroy the fruits of your ground; neither shall your vine cast its fruit before the time in the field, saith Jehovah of hosts.
Malachi 3:12 And all nations shall call you blessed; for ye shall be a delightsome land, saith Jehovah of hosts.
The verse centers on "bring", "whole", "tithe", "treasure-house", "food", "prove", and "herewith". It is saying that the verse draws attention to "bring" and "whole", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 9's "Ye are cursed with a curse and..." into verse 11's "And I will rebuke the devourer for...", so "bring" and "whole" belong inside that flow. In Return to the LORD in Covenant Faithfulness, the local focus is covenant faithfulness, divine mercy, and judgment.
A plain takeaway is to answer the verse's own emphasis on "bring" and "whole" with trust shaped by these words, not by a vague optimism outside the passage.