Prepositions with “storage”

“For storage” vs “in storage”

“For storage” describes purpose, while “in storage” means kept in a storage place. “Of storage” usually appears only in larger noun phrases.

Quick answer

Which phrase should you use?

Use “for storage” when something is intended to store items. Use “in storage” when items are being kept somewhere. “Of storage” is not usually a fixed phrase, but it can appear in expressions such as “cost of storage.”

These boxes are for storage only.
Most of the furniture is in storage.
the high cost of storage worried the company.

Choose the pattern by meaning

These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.

1
for storage

Showing purpose or intended use

Use this phrase for containers, rooms, or systems designed to store things.

a cabinet for storage of tools
space for storage was limited
2
in storage

Showing location or condition

Use this phrase when something is being stored.

The paintings are currently in storage.
Our old files remain in storage downtown.
3
of storage

Part of a larger noun phrase

This pattern is natural only when “storage” is the object of another noun.

the cost of storage
methods of storage and transport

See the difference in context

The same subject can take different constructions because each sentence answers a different question.

Construction
Example
Meaning
for storage
These shelves are for storage.
Intended purpose.
in storage
The equipment is in storage.
Currently stored somewhere.
of storage
The cost of storage has increased.
Part of a larger noun phrase, not a fixed expression.

Common mistakes

Some combinations appear in real text but do not mean what learners often assume.

Using “of storage” as a standalone phrase

English normally uses it inside a larger structure.

✕ The boxes are of storage. ✓ The boxes are for storage.

Confusing purpose and location

“For storage” describes use, while “in storage” describes condition or place.

✕ Our furniture is for storage downtown. ✓ Our furniture is in storage downtown.

Quick practice

Choose the expression that matches the intended meaning.

1. The old records are currently ___ storage.
2. We bought extra shelves ___ storage.
3. The company reduced the cost ___ storage.

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Frequently asked questions

What does “in storage” mean?

It means something is being kept in a storage facility or stored location.

When do we use “for storage”?

Use it when describing the purpose of a space, box, shelf, or container.

Is “of storage” correct?

Only inside larger noun phrases such as “cost of storage” or “methods of storage.”

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