Conviene conservar los documentos del trámite aunque ya los tengas en el ordenador.

Conviene is an impersonal way to give advice or say what is advisable.

• Conviene + infinitive = It is advisable / It is a good idea to ...
• So Conviene conservar... means something like It’s advisable to keep...

There is no specific subject like yo, tú, or usted. Spanish often uses this structure to sound general and neutral.

Compare:

• Conviene estudiar más. = It’s advisable to study more.
• Te conviene estudiar más. = It would be good for you to study more.

In your sentence, it is the general impersonal version.

Because after conviene, Spanish normally uses an infinitive to say what action is advisable.

Structure:

• conviene + infinitive

So:

• Conviene conservar los documentos...
• Conviene revisar el contrato.
• Conviene guardar una copia.

This is very similar to English It’s advisable to keep...

Conservar means to keep, to preserve, or to retain.

In this sentence, it suggests keeping the documents सुरक्षित / not getting rid of them. It sounds a bit more formal and careful than guardar.

• conservar = keep/preserve/retain
• guardar = keep/store/put away/save

In many situations, guardar could also work, but conservar fits well with official documents because it suggests holding on to them for future need.

Del is a contraction of de + el.

So:

• del trámite = de el trámite = of the procedure / of the application / of the administrative process

The noun trámite is very common in Spain for things like paperwork, official procedures, applications, bureaucracy, or administrative steps.

So los documentos del trámite means:

• the documents related to the process
• the paperwork for the procedure
• the documents from the application/administrative process

Exactly how you translate trámite depends on context.

This is one of the most common learner questions.

After aunque, Spanish can use either indicative or subjunctive, depending on the meaning.

Here, tengas is present subjunctive of tener.

Why subjunctive here? Because the idea is not mainly to state a fact, but to say that even if / although you already have them on your computer, that does not change the advice. The speaker presents that information as something conceded but irrelevant to the recommendation.

So:

• aunque ya los tengas = even if / although you already have them
• the focus is: you should still keep the documents

With aunque + indicative, the sentence would sound more like a straightforward factual statement:

• aunque ya los tienes en el ordenador

That is possible in some contexts, but aunque + subjunctive is very natural here because it emphasizes concession: that fact doesn’t matter; the advice still stands.

Tengas is the present subjunctive of tener.

Full present subjunctive of tener:

• yo tenga
• tú tengas
• él/ella/usted tenga
• nosotros/nosotras tengamos
• vosotros/vosotras tengáis
• ellos/ellas/ustedes tengan

In this sentence, tengas matches an implied tú:

• aunque ya los tengas... = although/even if you already have them...

Los is a direct object pronoun meaning them.

It refers back to los documentos.

So:

• los documentos → los
• aunque ya los tengas = although/even if you already have them

Spanish often replaces a repeated noun with an object pronoun, just like English does.

Ya here means already.

So:

• ya los tengas = you already have them

It adds the idea that the documents are already stored on your computer, but the recommendation still applies.

Without ya, the sentence would still work grammatically, but ya makes the time relationship clearer:

• you have them there already, and even so, you should keep the documents.

Spanish normally uses en with devices in this kind of context:

• en el ordenador
• en el móvil
• en el teléfono
• en el disco duro

So even though English often says on the computer, Spanish usually says in/on with en, and you simply learn it as the normal preposition here.

Also, ordenador is the usual word in Spain for computer.

Regional difference:

• Spain: ordenador
• Much of Latin America: computadora or computador

So in Spain Spanish, en el ordenador sounds completely natural.

Yes, it sounds fairly neutral-to-formal, mainly because of the vocabulary:

• conviene
• conservar
• documentos
• trámite

This is the kind of sentence you might see in:

• official instructions
• administrative guidance
• customer service information
• legal or bureaucratic contexts

A more everyday version might use simpler wording, but this sentence is perfectly natural, especially in formal or semi-formal Spanish from Spain.

As written, tengas could actually be either tú or usted, because the present subjunctive form is the same for both:

• tú tengas
• usted tenga

But in this sentence, tengas specifically points to tú, because usted would require:

• aunque ya los tenga en el ordenador

So the original sentence is informal you.

If you wanted the formal version, it would be:

• Conviene conservar los documentos del trámite aunque ya los tenga en el ordenador.

It has two main parts:

1. Conviene conservar los documentos del trámite

   • main clause
   • gives advice

2. aunque ya los tengas en el ordenador

   • subordinate clause introduced by aunque
   • adds a concessive idea: even if / although that is true

So the pattern is:

• [General advice] + aunque + [concession]

In plain grammar terms, it is an impersonal recommendation followed by a concessive clause.