The phrase "although convenient" is correct and usable in written English.
It can be used to introduce a contrasting idea or to acknowledge a benefit while highlighting a potential drawback or limitation.
Example: "Although convenient, the new software has several security vulnerabilities that need to be addressed."
Alternatives: "even though it's handy" or "despite its convenience".
(This was not a legal position, and the term, although convenient, is modern).
Although convenient, foods in vending machines, such as chips and granola bars, are often not as healthy.
These assumptions, although convenient for theoretical work, but in numerical aspect, it introduces an additional sources of error [18].
Open reduction and internal fixation, although convenient for the patient, have been associated with serious complications [5].
The neighborhood's proximity to major arteries, such as the 101 Freeway, Franklin Avenue and Hollywood Boulevard, although convenient, make it noisy and congested.
"Plan your meal around these manager markdowns, then cook what you want to eat right away, and freeze the rest for later so it doesn't spoil". Although convenient, it's typically not best to buy everything at the grocery store.
Although computationally convenient, it cannot actually represent a physical observed image and still produces ringing artifacts.
Obama's been late to this debate, and he was late tonight (although metaphorically convenient for lazy pundits such as myself, this was largely out of his control, I have to point out).
Although not convenient and in the modern era most unconventional, not including a response card in an invitation and having a "person" take out a piece of paper and write a thoughtful handwritten note to my parents on the occasion of my wedding to my groom was an elegant, beautiful and meaningful thing to do.
Although more convenient than telephone or in-person interviews, postal questionnaires have been found to yield lower response rates [ 1].
Centers found that collecting breast milk samples soon after delivery, although most convenient for the research team, was challenging for mothers.
