Understanding files types and there purpose is crucial when trying to maintain brand consistency. Having the correct files and using them across the correct collateral will ensure that your branding stays on point and your application is relevant to the end result.
Here is a simple and easy to understand file use checklist. Use this next time you are referencing your files and need to know which ones to use.
From the very beginning your logo should be created in vector format. This results in the highest quality reproduction and can be scaled infinitely without losing quality.
For professional printing or sign writing (Please note: You will not be able to open this file unless you have professional software).
For professional printing or sign writing; can also be placed in Microsoft Word (version X or newer only).
Raster versions are pixel based images. They should not be enlarged beyond the size supplied or pixelation (blurriness) will occur.
Hi-res (HR) versions are saved at 300dpi which are best used for in-house printed material. Lo-res (LR) versions are saved at 72dpi which are best used for electronic material (email or website).
Same as JPEG in terms of resolution and use but these have transparent backgrounds.